This document discusses the development of the soil component of the e-SOTER digital soil map of Europe. It lists the contributors to the project from various universities and research institutions. It describes work being done to refine the methodology for spatially defining soil units, revising the SOTER soil data structure, compiling the soil database for 1:1 million scale mapping windows, and developing translation and correlation tools to harmonize soil data from different sources and classification systems. Issues around data collection methods, classification systems, database structures and missing data are addressed. The status of database compilation for various mapping windows is provided. Methods for soil correlation and classification are discussed including using classification algorithms, taxonomic distances, and simplified diagnostic criteria.
Soil is formed from the weathering of underlying rock and organic material from dead plants and animals. It is composed of various horizons with organic material concentrated near the surface. The O horizon contains freshly fallen plant material while the A horizon contains more decomposed organic matter mixed with minerals. Deeper horizons like the B contain fewer organics that have been further broken down. The C horizon is mostly unchanged parent material. Soil quality indicates environmental quality as soil is essential for plant growth and supports many ecosystem processes. Maintaining soil quality through sustainable land management practices is important for long term agricultural productivity and environmental sustainability.
The document describes the different types of soil layers and their properties. It discusses topsoil as the uppermost dark and fertile layer. Below is the subsoil, a lighter brown and less fertile layer. The bottom layer is bedrock or parent rock, which is grayish brown.
This is the presentation deck I used when I spoke about "Soil" at the inaugural Brooklyn Dirt [http://goo.gl/fb/74fjT] on February 16, 2011 at Sycamore Bar and Flowershop.
Introduction To Soil For Student NotesRobin McLean
Soil is the material that nourishes plants and supports all living things, forming the foundation for structures, roads, and recreation areas. It performs several vital functions including sustaining plant and animal life, regulating water flow, filtering and buffering materials, storing and cycling nutrients, and providing support. Soil is a mixture of mineral matter, organic matter, water, and air, with mineral matter making up 45% and consisting of sand, silt, and clay.
Soil is composed of mineral particles, organic matter, water and air. It supports plant growth by providing nutrients and anchoring plants. Soil formation involves weathering of bedrock and develops distinct layers over time. Soil properties like texture, structure, porosity and permeability impact water and nutrient retention. Erosion by water and wind degrades soils and impacts agriculture. Conservation techniques like contour plowing, cover cropping and reduced tillage help mitigate erosion.
The document discusses soils and soil science, including the components and properties of soils, factors involved in soil formation, soil classification systems, and the global and national distribution of major soil types. Key points covered include: soils form a thin layer on top of Earth's crust and are influenced by geological, climatic, biological, topographic, and time factors; the primary components of soils are minerals, organic matter, air, and water; soil taxonomy is used to classify soils into orders, suborders, and other categories; and the twelve major global soil types vary in characteristics and are distributed differently around the world.
This document provides details about a course on introduction to soil science. It is divided into three modules that will be covered across 15, 9, and 8 classes respectively. Module 1 covers topics like soil formation processes, properties, classification, and profiles. Module 2 focuses on soil water, temperature, air, colloids, and adsorption. Module 3 examines soil organic matter, biology, and ion exchange. The corresponding practical sessions provide hands-on experience in analyzing various physical, chemical, and biological properties of soils.
Soil is formed from the weathering of underlying rock and organic material from dead plants and animals. It is composed of various horizons with organic material concentrated near the surface. The O horizon contains freshly fallen plant material while the A horizon contains more decomposed organic matter mixed with minerals. Deeper horizons like the B contain fewer organics that have been further broken down. The C horizon is mostly unchanged parent material. Soil quality indicates environmental quality as soil is essential for plant growth and supports many ecosystem processes. Maintaining soil quality through sustainable land management practices is important for long term agricultural productivity and environmental sustainability.
The document describes the different types of soil layers and their properties. It discusses topsoil as the uppermost dark and fertile layer. Below is the subsoil, a lighter brown and less fertile layer. The bottom layer is bedrock or parent rock, which is grayish brown.
This is the presentation deck I used when I spoke about "Soil" at the inaugural Brooklyn Dirt [http://goo.gl/fb/74fjT] on February 16, 2011 at Sycamore Bar and Flowershop.
Introduction To Soil For Student NotesRobin McLean
Soil is the material that nourishes plants and supports all living things, forming the foundation for structures, roads, and recreation areas. It performs several vital functions including sustaining plant and animal life, regulating water flow, filtering and buffering materials, storing and cycling nutrients, and providing support. Soil is a mixture of mineral matter, organic matter, water, and air, with mineral matter making up 45% and consisting of sand, silt, and clay.
Soil is composed of mineral particles, organic matter, water and air. It supports plant growth by providing nutrients and anchoring plants. Soil formation involves weathering of bedrock and develops distinct layers over time. Soil properties like texture, structure, porosity and permeability impact water and nutrient retention. Erosion by water and wind degrades soils and impacts agriculture. Conservation techniques like contour plowing, cover cropping and reduced tillage help mitigate erosion.
The document discusses soils and soil science, including the components and properties of soils, factors involved in soil formation, soil classification systems, and the global and national distribution of major soil types. Key points covered include: soils form a thin layer on top of Earth's crust and are influenced by geological, climatic, biological, topographic, and time factors; the primary components of soils are minerals, organic matter, air, and water; soil taxonomy is used to classify soils into orders, suborders, and other categories; and the twelve major global soil types vary in characteristics and are distributed differently around the world.
This document provides details about a course on introduction to soil science. It is divided into three modules that will be covered across 15, 9, and 8 classes respectively. Module 1 covers topics like soil formation processes, properties, classification, and profiles. Module 2 focuses on soil water, temperature, air, colloids, and adsorption. Module 3 examines soil organic matter, biology, and ion exchange. The corresponding practical sessions provide hands-on experience in analyzing various physical, chemical, and biological properties of soils.
The document discusses key components and properties of soil that affect plant growth. It covers topics like soil texture, aggregates, temperature and gas cycles, water, carbon, anchorage, oxygen, nutrients, root growth limitations, soil health, tilth, and compaction. The main points are:
- Soil texture, aggregates, pores, and organic matter influence properties like infiltration, drainage, and nutrient storage.
- Temperature, gases, water, carbon, and nutrient cycles all impact plant growth processes.
- Roots need anchorage, water, oxygen, and nutrients from the soil to support the entire plant.
- Properties like texture, structure, compaction levels affect root penetration and growth.
- Tilling,
1. The document provides an introduction to soil mechanics including definitions of soil, soil mechanics, and the three phases of soil - solids, water, and air.
2. Soil can be classified as residual soils which form in place from weathering or transported soils which are deposited by forces like water, wind, or glaciers.
3. Understanding the properties of soil is important for civil engineers to effectively use soil in construction projects and address problems related to shear failure, settlement, seepage, and dynamic loading.
Characteristics of different types of soilsParth Joshi
1. Black soil forms over 5.4 lakh sq km areas and is high in clay with cracks in summer. It is highly suitable for cotton growth.
2. Red soil forms over 3.5 lakh sq km areas from weathering of crystalline rocks. It is more sandy, low in nutrients and does not retain moisture well.
3. Laterite soil forms in high rainfall areas and is known for its brick-like hardness when exposed. It contains remnants of iron and aluminum oxides.
1) Soil is formed from two main components - tiny pieces of weathered rock and humus, which is composed of decomposed dead plants and animals.
2) Rocks are weathered into smaller pieces through natural forces like water, wind, freezing and thawing. Over long periods of time, these break rocks down from boulders into soil.
3) Humus is formed as bacteria, fungi and invertebrates decompose dead organic matter through a process of rotting and decay. This decomposition of plants and animals is what creates the dark, nutrient-rich organic component of soil.
This document discusses the components and layers of soil. It explains that soil is made up of five main components: rock, sand, silt, clay, and humus. These components provide structure and nutrients to support plant growth. The document also describes three layers of soil - topsoil, subsoil, and bedrock - and emphasizes the importance of conserving soil as a natural resource through practices like planting trees, grass, and gardens.
This document describes the different types of soil found in India, including alluvial, black, red, laterite, mountain, and desert soils. It provides details on the composition, location, and major crops grown in each soil type. The alluvial soil covers 40% of India and supports half the population. Black soil is found in Maharashtra and Gujarat and is suitable for cotton. Red soil occupies 10% of India and is suited to crops like rice, wheat, and pulses. Laterite soil forms under high rainfall and is located in southern India. Mountain soil contains humus and is found on hill slopes. Desert soil has high sand content and low rainfall, and is located in western India.
The document provides an introduction to soil mechanics and soil types. It defines soil mechanics as the branch of engineering that deals with the properties and behavior of soil. It discusses the different types of soils based on their geological origin such as glacial soil, residual soil, alluvial soil, and aeolian soil. It also classifies soils based on engineering properties such as clay, silt, sand, gravel, cobbles, and boulders. The key factors that influence the engineering behavior of soils like particle size, shape, mineral composition are also highlighted.
This is an introductory soil science presentation that I give to Master Gardeners, agribusiness personnel, farmers, and soil science students. Please feel free to contact me at andykleinschmidt@gmail.com with any comments regarding the presentation.
This document provides summaries of different soil types found in India:
- Black soil is dark grey to black in color with high clay content. It is found in 5.4 lakh sq km and suitable for cotton.
- Red soil is formed from weathered crystalline rocks. It is more sandy, less clayey, and poor in nutrients. It covers 3.5 lakh sq km.
- Laterite soil is brown to yellowish in color and forms a hard material used for building when exposed to air.
- Desert soil is sandy, porous, and low in nutrients and moisture. It covers 1.4 lakh sq km.
- Mountain soil is rich in humus and found in northeastern
This document discusses the key components and formation of soil. It describes the six major components of soil as eroded rock, mineral nutrients, decaying organic matter, water, air, and living organisms. Soil forms through the weathering of bedrock and is influenced by physical, chemical, and biological factors. The document also outlines the horizons and properties of soil, such as texture and permeability, and explains their importance for supporting plant life. Various human impacts on and management of soil are also covered, such as erosion, conservation practices, and relevant legislation.
TERN Surveillance Training 2019 - Day 5, Final Lecturesbensparrowau
This training session covers several topics related to TERN Surveillance including data curation, sample management, field data collection apps, woodland protocols, condition protocols, future invertebrate protocols, new technology, remote sensing validation, the role of citizen science, and applications of TERN Surveillance research. The session provides information on improving various aspects of TERN's data collection, management, and analysis processes.
The document summarizes a study that evaluates the uncertainties in global moderate resolution Leaf Area Index (LAI) products derived from satellite data, including MODIS and CYCLOPES. The study uses a global database of 219 field LAI measurements from 129 sites to directly validate the satellite products. Results show that while MODIS LAI estimates have improved across product versions, current LAI products still have uncertainties of around ±1.0, which does not meet the ±0.5 accuracy requirement set by GCOS. Future work is needed to reduce uncertainties, especially for certain biomes and conditions.
Goals and Implementation Plan of Pillar 5 - Purpose and Concept of GLOSOLANExternalEvents
This document outlines the goals and implementation plan of Pillar 5 of GLOSOLAN, which aims to harmonize soil characterization and analysis globally. It discusses developing (1) guidelines for best practices in soil sampling, preparation, and analysis; (2) a network of reference soil laboratories to support application of guidelines; and (3) a global spectral library for soil properties. The plan also establishes Regional Soil Laboratory Networks to coordinate application of recommended procedures regionally through workshops, meetings and proficiency testing. Next steps include defining GLOSOLAN's membership, roles, and operational details to embed it within the Global Soil Partnership's harmonization efforts.
PetroTeach Free Webinar by Dr. Andrew Ross on Seismic Reservoir CharacterizationPetro Teach
A reliable reservoir model is an invaluable tool for risk reduction. I will give an overview of seismic reservoir characterization and the quantitative interpretation workflow including the use of pre and post stack seismic attributes and inversion outputs for mapping reservoir properties and integration of the attribute output with petrophysical data to create quantitative reservoir models.
PetroTeach Free Webinar on Seismic Reservoir CharacterizationPetroTeach1
A reliable reservoir model is an invaluable tool for risk reduction. Dr. Andrew Ross gave an overview of seismic reservoir characterization and the quantitative interpretation workflow including the use of pre and post-stack seismic attributes and inversion outputs for mapping reservoir properties and integration of the attribute output with petrophysical data to create quantitative reservoir models.
1. The document presents a case study that uses the SAHYSMOD model in a GIS environment to spatially model and predict soil salinization over time in Nakhon Ratchasima, Thailand.
2. Field data on soil salinity was collected and used to calibrate and validate the SAHYSMOD model. The model was able to accurately predict soil salinity levels and identify saline soil units.
3. The model predicts that soil salinity levels will increase over time, reaching critical levels in 15-20 years, if steps are not taken to address the main driver of increasing saline groundwater tables.
Estimation of soil organic carbon stocks in the northeast Tibetan PlateauExternalEvents
This presentation was presented during the 3 Parallel session on Theme 1, Monitoring, mapping, measuring, reporting and verification (MRV) of SOC, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Ganlin Zhang, from Chinese Academy of Soil Science/ Institute of Soil Science - China, in FAO Hq, Rome
National Map of Organic Carbon in the Soils and Mantle of MexicoExternalEvents
This presentation was presented during the 3 Parallel session on Theme 1, Monitoring, mapping, measuring, reporting and verification (MRV) of SOC, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Rodrigo Vargas, from University of Delaware – USA, in FAO Hq, Rome
The document discusses key components and properties of soil that affect plant growth. It covers topics like soil texture, aggregates, temperature and gas cycles, water, carbon, anchorage, oxygen, nutrients, root growth limitations, soil health, tilth, and compaction. The main points are:
- Soil texture, aggregates, pores, and organic matter influence properties like infiltration, drainage, and nutrient storage.
- Temperature, gases, water, carbon, and nutrient cycles all impact plant growth processes.
- Roots need anchorage, water, oxygen, and nutrients from the soil to support the entire plant.
- Properties like texture, structure, compaction levels affect root penetration and growth.
- Tilling,
1. The document provides an introduction to soil mechanics including definitions of soil, soil mechanics, and the three phases of soil - solids, water, and air.
2. Soil can be classified as residual soils which form in place from weathering or transported soils which are deposited by forces like water, wind, or glaciers.
3. Understanding the properties of soil is important for civil engineers to effectively use soil in construction projects and address problems related to shear failure, settlement, seepage, and dynamic loading.
Characteristics of different types of soilsParth Joshi
1. Black soil forms over 5.4 lakh sq km areas and is high in clay with cracks in summer. It is highly suitable for cotton growth.
2. Red soil forms over 3.5 lakh sq km areas from weathering of crystalline rocks. It is more sandy, low in nutrients and does not retain moisture well.
3. Laterite soil forms in high rainfall areas and is known for its brick-like hardness when exposed. It contains remnants of iron and aluminum oxides.
1) Soil is formed from two main components - tiny pieces of weathered rock and humus, which is composed of decomposed dead plants and animals.
2) Rocks are weathered into smaller pieces through natural forces like water, wind, freezing and thawing. Over long periods of time, these break rocks down from boulders into soil.
3) Humus is formed as bacteria, fungi and invertebrates decompose dead organic matter through a process of rotting and decay. This decomposition of plants and animals is what creates the dark, nutrient-rich organic component of soil.
This document discusses the components and layers of soil. It explains that soil is made up of five main components: rock, sand, silt, clay, and humus. These components provide structure and nutrients to support plant growth. The document also describes three layers of soil - topsoil, subsoil, and bedrock - and emphasizes the importance of conserving soil as a natural resource through practices like planting trees, grass, and gardens.
This document describes the different types of soil found in India, including alluvial, black, red, laterite, mountain, and desert soils. It provides details on the composition, location, and major crops grown in each soil type. The alluvial soil covers 40% of India and supports half the population. Black soil is found in Maharashtra and Gujarat and is suitable for cotton. Red soil occupies 10% of India and is suited to crops like rice, wheat, and pulses. Laterite soil forms under high rainfall and is located in southern India. Mountain soil contains humus and is found on hill slopes. Desert soil has high sand content and low rainfall, and is located in western India.
The document provides an introduction to soil mechanics and soil types. It defines soil mechanics as the branch of engineering that deals with the properties and behavior of soil. It discusses the different types of soils based on their geological origin such as glacial soil, residual soil, alluvial soil, and aeolian soil. It also classifies soils based on engineering properties such as clay, silt, sand, gravel, cobbles, and boulders. The key factors that influence the engineering behavior of soils like particle size, shape, mineral composition are also highlighted.
This is an introductory soil science presentation that I give to Master Gardeners, agribusiness personnel, farmers, and soil science students. Please feel free to contact me at andykleinschmidt@gmail.com with any comments regarding the presentation.
This document provides summaries of different soil types found in India:
- Black soil is dark grey to black in color with high clay content. It is found in 5.4 lakh sq km and suitable for cotton.
- Red soil is formed from weathered crystalline rocks. It is more sandy, less clayey, and poor in nutrients. It covers 3.5 lakh sq km.
- Laterite soil is brown to yellowish in color and forms a hard material used for building when exposed to air.
- Desert soil is sandy, porous, and low in nutrients and moisture. It covers 1.4 lakh sq km.
- Mountain soil is rich in humus and found in northeastern
This document discusses the key components and formation of soil. It describes the six major components of soil as eroded rock, mineral nutrients, decaying organic matter, water, air, and living organisms. Soil forms through the weathering of bedrock and is influenced by physical, chemical, and biological factors. The document also outlines the horizons and properties of soil, such as texture and permeability, and explains their importance for supporting plant life. Various human impacts on and management of soil are also covered, such as erosion, conservation practices, and relevant legislation.
TERN Surveillance Training 2019 - Day 5, Final Lecturesbensparrowau
This training session covers several topics related to TERN Surveillance including data curation, sample management, field data collection apps, woodland protocols, condition protocols, future invertebrate protocols, new technology, remote sensing validation, the role of citizen science, and applications of TERN Surveillance research. The session provides information on improving various aspects of TERN's data collection, management, and analysis processes.
The document summarizes a study that evaluates the uncertainties in global moderate resolution Leaf Area Index (LAI) products derived from satellite data, including MODIS and CYCLOPES. The study uses a global database of 219 field LAI measurements from 129 sites to directly validate the satellite products. Results show that while MODIS LAI estimates have improved across product versions, current LAI products still have uncertainties of around ±1.0, which does not meet the ±0.5 accuracy requirement set by GCOS. Future work is needed to reduce uncertainties, especially for certain biomes and conditions.
Goals and Implementation Plan of Pillar 5 - Purpose and Concept of GLOSOLANExternalEvents
This document outlines the goals and implementation plan of Pillar 5 of GLOSOLAN, which aims to harmonize soil characterization and analysis globally. It discusses developing (1) guidelines for best practices in soil sampling, preparation, and analysis; (2) a network of reference soil laboratories to support application of guidelines; and (3) a global spectral library for soil properties. The plan also establishes Regional Soil Laboratory Networks to coordinate application of recommended procedures regionally through workshops, meetings and proficiency testing. Next steps include defining GLOSOLAN's membership, roles, and operational details to embed it within the Global Soil Partnership's harmonization efforts.
PetroTeach Free Webinar by Dr. Andrew Ross on Seismic Reservoir CharacterizationPetro Teach
A reliable reservoir model is an invaluable tool for risk reduction. I will give an overview of seismic reservoir characterization and the quantitative interpretation workflow including the use of pre and post stack seismic attributes and inversion outputs for mapping reservoir properties and integration of the attribute output with petrophysical data to create quantitative reservoir models.
PetroTeach Free Webinar on Seismic Reservoir CharacterizationPetroTeach1
A reliable reservoir model is an invaluable tool for risk reduction. Dr. Andrew Ross gave an overview of seismic reservoir characterization and the quantitative interpretation workflow including the use of pre and post-stack seismic attributes and inversion outputs for mapping reservoir properties and integration of the attribute output with petrophysical data to create quantitative reservoir models.
1. The document presents a case study that uses the SAHYSMOD model in a GIS environment to spatially model and predict soil salinization over time in Nakhon Ratchasima, Thailand.
2. Field data on soil salinity was collected and used to calibrate and validate the SAHYSMOD model. The model was able to accurately predict soil salinity levels and identify saline soil units.
3. The model predicts that soil salinity levels will increase over time, reaching critical levels in 15-20 years, if steps are not taken to address the main driver of increasing saline groundwater tables.
Estimation of soil organic carbon stocks in the northeast Tibetan PlateauExternalEvents
This presentation was presented during the 3 Parallel session on Theme 1, Monitoring, mapping, measuring, reporting and verification (MRV) of SOC, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Ganlin Zhang, from Chinese Academy of Soil Science/ Institute of Soil Science - China, in FAO Hq, Rome
National Map of Organic Carbon in the Soils and Mantle of MexicoExternalEvents
This presentation was presented during the 3 Parallel session on Theme 1, Monitoring, mapping, measuring, reporting and verification (MRV) of SOC, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Rodrigo Vargas, from University of Delaware – USA, in FAO Hq, Rome
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First meeting of the Editorial Board of the Soil Atlas of Asia, 12 - 15 March 2018, Quezon City, Philippines. The preparation of the Soil Atlas of Asia is sponsored by Joint Research Centre of the European Commission (JRC-EC).
Interpretable Spiculation Quantification for Lung Cancer ScreeningWookjin Choi
Spiculations are spikes on the surface of pulmonary nodule and are important predictors of malignancy in lung cancer. In this work, we introduced an interpretable, parameter-free technique for quantifying this critical feature using the area distortion metric from the spherical conformal (angle-preserving) parameterization. The conformal factor in the spherical mapping formulation provides a direct measure of spiculation which can be used to detect spikes and compute spike heights for geometrically-complex spiculations. The use of the area distortion metric from conformal mapping has never been exploited before in this context. Based on the area distortion metric and the spiculation height, we introduced a novel spiculation score. A combination of our spiculation measures was found to be highly correlated (Spearman's rank correlation coefficient ρ = 0.48) with the radiologist's spiculation score. These measures were also used in the radiomics framework to achieve state-of-the-art malignancy prediction accuracy of 88.9% on a publicly available dataset.
The performance of portable mid-infrared spectroscopy for the prediction of s...ExternalEvents
This presentation was presented during the 3 Parallel session on Theme 1, Monitoring, mapping, measuring, reporting and verification (MRV) of SOC, of the Global Symposium on Soil Organic Carbon that took place in Rome 21-23 March 2017. The presentation was made by Mr. Martin Soriano-Disla, CSIRO Land and Water - Australia, in FAO Hq, Rome
Soil mapping goes digital - the GlobalSoilMap experience by Alex. McBratneyFAO
This document discusses the transition from analogue to digital soil mapping through the GlobalSoilMap experience. It notes that soil mapping is going digital to provide quantitative soil data and expertise needed by people. Digital soil mapping uses spatial models and legacy soil data to infer soil properties and types across landscapes. It requires rescuing legacy soil data, defining a soil data model, and using environmental data and spatial prediction models. GlobalSoilMap is a global collaboration applying these methods to generate consistent digital soil maps and build capacity. Challenges include further developing disaggregation and uncertainty models, acceptable prediction tools, and securing funding for capacity building as soil mapping goes digital globally.
Finding Meaning in Points, Areas and Surfaces: Spatial Analysis in RRevolution Analytics
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Similar to Developing the soil component of e-SOTER - Szent István University Soil Team, Erika Michéli and Vince Láng (20)
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This document summarizes the proceedings of the first meeting of the Global Soil Laboratory Network (GLOSOLAN). GLOSOLAN was established to harmonize soil analysis methods and strengthen the performance of laboratories through standardized protocols. The meeting discussed the role of National Reference Laboratories in promoting harmonization, and how GLOSOLAN is structured with regional networks feeding into the global network. Progress made in 2018 included registering over 200 laboratories, assessing capacities and needs, and establishing regional networks. The work plan for 2019 includes further developing regional networks, standard methods, a best practice manual, and the first global proficiency testing. The document concludes by outlining next steps to launch the regional network for North Africa and the Near East.
This presentation was provided by Racquel Jemison, Ph.D., Christina MacLaughlin, Ph.D., and Paulomi Majumder. Ph.D., all of the American Chemical Society, for the second session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session Two: 'Expanding Pathways to Publishing Careers,' was held June 13, 2024.
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Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.pptHenry Hollis
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A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
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Developing the soil component of e-SOTER - Szent István University Soil Team, Erika Michéli and Vince Láng
1. Developing the soil component of e-SOTER
Szent István University Soil Team
(Erika Michéli, Vince Láng present here)
2. Contributors
Erika Michéli, Vince Láng, Márta Fuchs, István
Waltner, Tamás Szegi (SIU),
Endre Dobos, Anna Seres, Péter Vadnai (Unimis),
Vincent van Engelen, Koos Dijkshoorn (ISRIC), Joel
Daroussin (INRA),
Einar Eberhardt, Ulrich Schuler, Rainer Baritz (BGR),
Tereza Zadorova, Josef Kozak, Vit Penizek (CULS),
Jacqueline Hannam, Steve Hallett (CU),
Ganlin Zhang, Zhao Yuguo (ISSCAS),
Riad Balaghi, Rachid Moussadek (INRA Maroc)
3. • Working out methodology for the spatial definition
of soil units
• Revise the SOTER soil component data structure
• Compilation of the soil data base for the
1:1M windows (Filling the soil attribute database)
LIST of subtasks
• Development of translation and correlation
tools for harmonizing soil data
4. • Working out methodology for the spatial definition
of soil units
• Revise the SOTER soil component data structure
• Compilation of the soil data base for the
1:1M windows (Filling the soil attribute database)
LIST of subtasks
• Development of translation and correlation
tools for harmonizing soil data
5. Required input (from training data set)
ID Loc X Loc Y Mollic Argic Eutric Distric Calcic Vertic …
1 34567 543213 1 1 1 0 1 0
2 345678 987654 0 1 1 1 0
3 345456 456778 1 0 1 0 1 0
…
n 1= present 0 = not present
6. Grid size: 500 x 500 m
Points extrapolated with RS and DSM tools
7. Grid size: 500 x 500 m
Points extrapolated with RS and DSM tools
8. RSG Classification
the combined, standardised image
Terrain type with 5 classes (reclassified from the SOTER polygons developed in WP1) :
fine plain, coarse plain, hill, mountain, water
Consolidated-unconsolidated image developed in WP1:
Consolidated, unconsolidated
Texture image developed in WP1
Bare rock image developed in WP1
Diagnostics probabilty
Spodic Horizon Class Probability
Argic Horizon Class Probability
Cambic Horizon Class Probability
Vertisol Class Probability (only Vertisol vertic horizons)
Salic Horizon Class Probability
Natric Horizon Class Probability
Gleyic-stagnic-Reducing cond. Class Probability
Mollic Horizon Class Probability
Calcic Horizon Class Probability
Calcisol Class Probability (only Calcisol calcic horizons)
Dystric Class Probability
Eutric Class Probability
9. 1. Standardised ArcGIS tool has been
developped to do the classification
2. Input data standards has been defined
SUPPORT
10.
11.
12.
13.
14.
15. Revision of the SOTER soil component data
structure
Based on and compatible with the original Procedures
Manual (van Engelen and Wen, 1995), and
modified according to and harmonized by recent standards,
and available data.
Terms, definitions and coding of soil profile and horizon
descriptions follow the FAO Guidelines for Soil description
(2006), the WRB (2006) (including the new guideline for
map legend construction, 2010).
The data structure itself has not changed significantly.
16. The e-SOTER attribute coding
guideline and the data entry
format is available on the
project team site
17. • Working out methodology for the spatial definition
of soil units
• Revise the SOTER soil component data structure
• Compilation of the soil data base for the
1:1M windows (Filling the soil attribute database)
LIST of subtasks
• Development of translation and correlation
tools for harmonizing soil data
18. Compilation of the soil data base for the 1:1M
windows (Filling the soil attribute database)
Problems
Data collection methods are very diverse
All project partners have their own national soil
classification systems
Data base structures and availability are diverse
Lot of missing data (pedotransfers )
19. C-EU window W-EU window
Morocco
China
Hungary
Czech
Germany
Slovakia
France
UK
Number of profiles 1247 561 113 34 58 92 67 210
In the window 503 538 60 33 3 60 44 31
Source of data
National
(97%)
National
(93%)
National
(52%)
WISE
(100%)
WISE
(100%)
National
(42%)
National
(58%)
SOTER
(71%)
WISE
(3%)
WISE
(7%)
WISE
(48%)
- -
WISE
(58%)
WISE
(42%)
WISE
(29%)
WRB diagnostics Yes Yes No No No No No/Yes No
WRB RSG Yes Yes Yes Yes Yes Yes No/Yes Yes
WRB qualifier Yes Yes No No No No No No
Data statistics
23. • Working out methodology for the spatial definition
of soil units
• Revise the SOTER soil component data structure
• Compilation of the soil data base for the
1:1M windows (Filling the soil attribute database)
LIST of subtasks
• Development of translation and correlation
tools for harmonizing soil data
24. Methods for correlation
• Expert knowledge based
(based on concept or actual data)
• Classification algorithm based (re-classification)
• Based on calculated taxonomic distances
25. Methods for correlation
Classification algorithm based (re-classification)
Step 1. definition of the diagnostics
Step 2. definition of the RSGs
Step 3. definition of the qualifiers
26. Structure
Munsell colour
• moist
• dry
Organic carbon
Base saturation
Thickness
Mollic horizon Criteria
Mostly available
Partly available (pH)
40% of profiles missing
Partly available
32% of profiles missing
94% of profiles missing
Partly available
45% of profiles missing
Not given - determined
Availability
6 major diagnostic requirements , 4 has sub requirements, 2 has 3rd
level sub requirements, includes 10 ORs and 12 ANDs
27. Simplified algorithm for mollic horizon
1. OC > 0,6%; and
2. a Munsell value (moist) of 3 and a chroma (moist) of
3 or less; and
3. a Munsell value (dry) of 5 and a chroma (dry) of 5 or
less (if data available); and
4. B% > 50; and
5. a thickness > 25 cm; or
6. a thickness > 10 cm if directly overlying continuous
rock;
7. surface horizon
28.
29. Argic horizon Criteria Availability
Texture
Clay content
Morphological
evidence of clay
illuviation
Vertical distance
of clay increase
No natric horizon
Thickness
Mostly available
Mostly available
Mostly NOT available
Mostly NOT available
Not given
determined
Not given
determined
30. 1. if the overlying horizon has < 15% clay, at least 3 percent
more clay content increase in the underlying horizon; or
2. if the overlying horizon has a clay content between 15-
40%, the ratio of clay in the underlying to that of the
overlying horizon must be 1.2 or more; or
3. if the overlying horizon has > 40% or more clay, the
underlying horizon must contain at least 8 percent more
clay; or
4. morphological evidence of clay illuviation in soil
description (i.e. cutanic qualifier); and
5. does not form part of a natric horizon.
Simplified algorithm for argic horizon
32. Simplified criteria (examples)
Clay ≥ 40% (no morphological data!) to 60 cm → Vertisols
Natric horizon → Solonetz
„Gleyic” records within 50 cm → Gleysols
„Stagnic” records within 50 cm → Stagnosols
Mollic horizon, and
Calcic horizon below mollic within 50 cm → Chernozems
33. Simplified criteria (examples)
Argic horizon, and
no lithological discontinuity, and
B ≥ 50 %
Argic horizon, and
no lithological discontinuity, and
B < 50 %
→ Luvisols
→ Alisols (Acrisols)
(CEC when not available neglected in CE, WE windows)
34. Step 3. definition of the qualifiers
Same (simplfied way as diagnostics)
35. Methods for correlation
• Expert knowledge based
(based on concept or actual data)
• Classification algorithm based (re-classification)
• Based on calculated taxonomic distances
36. Taxonomic distance measurments were
applied for correlation of national soil classes
to WRB RSGs
(in the HU part of the CE window)
37. 21 soil groups matched with the dominant identifiers
Codes express the likelyhood of the presence
of the selected dominant identifiers such as:
0 - cannot be present,
0.5 – likely to be present,
1- must be present
Soil Groups
18Dominantidentifiers
13 WRB RSGs 7 HU forest
soiltypes
39. Taxonomic distance measurments were
applid for correlation of national soil classes
to WRB RSGs (in the HU part of the CE
window)
Results promising but did not become
operational in the e-SOTER project!
40. Problems:
• Allocation of diagnostics in the data base
(one diagnostic horizon may overlap 2-3 genetic
horizons - retrieve lab data for diagnostics is
problematic)
• Results of computer assisted algorithm based
correlation often did not match national expert
decisions.
• Assigning of representative profiles
• Listing of all available qualifiers is problematic
(only the first 2 pre-fixes can be listed, and all
suffixes), limiting the producing of thematic info
41. Allocation of diagnostics in the data base
eg: One diagnostic horizon may overlap 2-3 genetic
horizons. Associated lab data is problematic:
Ap
A2
ABk
Bk
Mollic
pH, OC,
B% , CaCO3
pH, OC,
B% , CaCO3
pH, OC,
B% , CaCO3
pH, OC,
B% , CaCO3
pH, OC,
B% , CaCO3
42. Number of RSG profiles
in the original
database
in the new
database
changed on RSG
level
changed on
lower level(s)
Albeluvisols 35 35 0 24
Alisols 0 34 34 34
Arenosols 5 5 0 4
Cambisols 205 128 86 100
Chernozems 55 52 5 53
Fluvisols 50 43 7 17
Gleysols 18 19 1 15
Leptosols 7 0 7 7
Luvisols 64 136 72 53
Phaeozems 19 24 8 18
Planosols 1 1 0 1
Podzols 13 5 9 11
Regosols 8 10 2 4
Stagnosols 41 29 14 36
Vertisols 2 2 0 2
Expert / algorithm based decisions
(Czech database)
43. Assigning representative profiles
Methodology:
Closest profiles of the same RSG with same parent
material and texture (possibly same qualifiers)
Problems:
Often the closest is in other country or continent,
Only 2 qualifiers in the soil component data
→ great variation possible
46. Problems:
• Allocation of diagnostics in the data base
(one diagnostic horizon may overlap 2-3 genetic
horizons - retrieve lab data for diagnostics is
problematic)
• Results of computer assisted algorithm based
correlation often did not match national expert
decisions.
• Assigning of representative profiles
• Listing of all available qualifiers is problematic
(only the first 2 pre-fixes can be listed, and all
suffixes), limiting the producing of thematic info
51. Conclusions
We are happy with most methodologies developed
Data availability / access / quality are the major
limitations. In some cases this is CRITICAL
Expert knowledge as well as better guidelines for
soil observation and recording is still very
important and need to be improved /harmonized!
52. Conclusions
The diagnostics and qualifiers will be important
elements for correlation, interpretations and
thematic applications.
Their allocation in data structure can be inproved!
Distance methods and other numerical approaches
are promising and should be further developed!
Experiences and lessons of our work is hopefully
very useful in future classification developments
and (future) 1:250 K and other projects.