Makalah Geodesi Geometri II terkait Jaring Kontrol dan datum GeodesiMega Yasma Adha
Makalah Geodesi Geometri II
maaf yaa setting nya dibuat untuk tidak di download karena akun ini khusus untuk referensi junior junior saya di institut teknologi padang, dan mengajarkan mereka untuk membaca bukan untuk copy paste saja ^^
Download bisa by request email megayasma63@gmail.com
Praktikum Sistem Basis Data menggunakan PostgresSQLMega Yasma Adha
Berikut contoh penyelesaian praktikum sistem basis data menggunakan Postgress SQL semoga membantu pemahaman kalian terkait proses dalam pengerjaan sistem basis data :)
High School Novska - Eratosthenes ExperimentGordana Divic
We have measured the length of a shadow of one meter long stick, and by that calculated the circumference of the Earth, as that have done Ancient Greek mathematician Eratosthenes.
Makalah Geodesi Geometri II terkait Jaring Kontrol dan datum GeodesiMega Yasma Adha
Makalah Geodesi Geometri II
maaf yaa setting nya dibuat untuk tidak di download karena akun ini khusus untuk referensi junior junior saya di institut teknologi padang, dan mengajarkan mereka untuk membaca bukan untuk copy paste saja ^^
Download bisa by request email megayasma63@gmail.com
Praktikum Sistem Basis Data menggunakan PostgresSQLMega Yasma Adha
Berikut contoh penyelesaian praktikum sistem basis data menggunakan Postgress SQL semoga membantu pemahaman kalian terkait proses dalam pengerjaan sistem basis data :)
High School Novska - Eratosthenes ExperimentGordana Divic
We have measured the length of a shadow of one meter long stick, and by that calculated the circumference of the Earth, as that have done Ancient Greek mathematician Eratosthenes.
2012 PLSC Track, Datums and tools to connect geospatial data accurately, Pame...GIS in the Rockies
Demands for accuracy are increasing and the use of geospatial technologies, such as GIS continue to rise. But how often do you have problems with data not aligning in your GIS? Knowing how your data is collected in terms of reference systems, coordinate systems, and datums, is growing more important to ensure your data layers do align properly.
The National Geodetic Survey produces the National Spatial Reference System (NSRS) ensuring projects have the consistency and accuracy desired. The NSRS consists of the North American Datum of 1983 (NAD83) and the North American Datum of 1988 (NAVD88). There are many tools available to access the NSRS (DS-World, CORS, and OPUS) and these will be highlighted during this session.
DS-World, makes it possible for users to display the million-plus geodetic survey marks and the GPS Continuously Operating Reference Stations (CORS) that make up the NSRS in GoogleEarth. This tool displays survey marks and its associated information. You can access, locate and survey these marks and tie your data layers directly to the NSRS and the most recent datums.
NGS’ OPUS program is highly automated and requires minimal user input accessing the network of CORS for determining ones position. OPUS processes GPS data files along with CORS coordinates to provide results consistent with those of other users in the NSRS.
There are many developments occurring in NGS that will be presented including the new adjustment, new datums (in 2022) and the GRAV-D program (which will change the way we obtain vertical heights).
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the GEODETIC CONTROL SURVEY in the Philippines, execute the survey, preparation of GEODETIC CONTROL SURVEY survey returns and IVAS of GEODETIC CONTROL SURVEY returns.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the PROJECT CONTROL SURVEY in the Philippines, execute the survey, preparation of PROJECT CONTROL SURVEY survey returns and IVAS of PROJECT CONTROL survey returns.
Understanding Coordinate Systems and Projections for ArcGISJohn Schaeffer
Everything you need to know to work with coordinate systems and projecting data in ArcGIS. The presentation starts by explaining the terminology, and then discusses the details you need to know to actually work successfully with coordinate systems, use the proper projections, and geographic transformations. This is a very practical look at a complex subject.
Ionospheric TEC Disturbances over South KoreaFollowing the 2011 Great Tohoku ...researchinventy
Ionospheric total electron contents (TEC) disturbances following the 2011 great Tohoku earthquake on March 11, 2011 were observed by a GPS network in South Korea. The impulsive TEC enhancements were first observed approximately 16.5 minutes after the beginning of the earthquake. Various types of seismic waves were also observed over South Korea.To investigate more detailed disturbances in the TEC, we processed the GPS data with a sampling rate of 1Hz and applied a band-pass filter with corner frequencies of 0.0 and 0.005 Hz. Small-scale traveling ionospheric disturbances (TIDs) with a period of approximately 4minutes (~250 seconds) were observed from 6:15 to 7:10 UT. These variations are considered to be a clear manifestation of the acoustic resonance oscillations. We also observed medium-scale TIDs with a period of approximately 15 minutes and a duration of approximately 60 minutes. A remarkable finding is that the damping of the amplitude of the medium-scale TIDs was observed clearly in the time series
This notes helps one to acquire noteable knowledege in the field of satellite geodesy. It also includes the moevement of satellites in orbit, how they communicate with people on earth. This satellites communicate using GPS receivers which are placed on earth. Waves are sent and these waces contain data.
Research Inventy : International Journal of Engineering and Science is published by the group of young academic and industrial researchers with 12 Issues per year. It is an online as well as print version open access journal that provides rapid publication (monthly) of articles in all areas of the subject such as: civil, mechanical, chemical, electronic and computer engineering as well as production and information technology. The Journal welcomes the submission of manuscripts that meet the general criteria of significance and scientific excellence. Papers will be published by rapid process within 20 days after acceptance and peer review process takes only 7 days. All articles published in Research Inventy will be peer-reviewed.
Geodetic and seismological analysis of the January 26th, 2014 Cephalonia Isla...Demitris Anastasiou
On January 26, 2014 a strong earthquake of magnitude Mw=5.8 occurred on Cephalonia Island followed by a similar magnitude earthquake Mw=5.7 one week later on February 3, 2014. Extensive structural damages, landslides and many damages on the islands' main roads, harbour and airport caused mainly on the western and central part of the island. The first event located 2km eastern of Lixouri town and was followed five hours later by a strong aftershock of magnitude Mw=5.3. The second strong earthquake located in the north part of Paliki eninsula North-East Cephalonia). Geodetic data of six permanent GNSS stations were available and analysed in this study both in pro and post seismic terms, using 30sec and 1Hz data where available. The time series analysis shows the effect of each event at nearby stations. Seismological data are used to determine the focal mechanisms of the earthquake sequence and an attempt to investigate the homogeneity of the mechanisms and the stress field of the area is presented in the study. Geodetic analysis and seismological results are used to understand the mechanism of the events.
THEOS (Thailand Earth Observation System)
THEOS is an Earth observation mission of Thailand, under development at EADS Astrium SAS, Toulouse, France. In July 2004, EADS Astrium SAS signed a contract for delivery of THEOS with GISTDA (Geo-Informatics and Space Technology Development Agency) of Bangkok, Thailand. GISTDA is Thailand's leading national organization (i.e., space agency) in the field of space activities and applications. The Thai Ministry of Science and Technology is funding the program.
The THEOS cooperative agreement includes the production and launch of one optical imaging satellite, as well as the development of the ground segment necessary to operate and control the satellite directly from Thailand. The contract also specifies on-the-job training of Thai engineers as part of the EADS Astrium development team. Also as part of the THEOS program, GISTDA earned the right to receive data from the SPOT-2, 4 and 5 spacecraft of CNES in Thailand, which have many features similar to those of THEOS. The prime objective of THEOS is to provide Thailand with an affordable access to space (i.e., a state-of-the-art Earth observation satellite for the near future), and to spawn through this program's operational experience the country's own capability and infrastructure an indigenous potential for the development of future space missions.
The science objectives call for the provision of:
1) Panchromatic (2 m) and multispectral (15 m) imagery from THEOS observations, and
2) The generation of geo-referenced image products and image processing capabilities for applications in the fields of cartography, land use, agricultural monitoring, forestry management, coastal zone monitoring and flood risk management.
The Thai government has also expressed its intention to offer THEOS data to the disaster mitigation efforts under the International Charter.
Practical Local Geoid Modelling of Benin City, Nigeria from Gravimetric Obser...IJAEMSJORNAL
The geometric heights obtained from GNSS observations cannot be used for engineering works as they are not reduced to the geoid. This study presents practical local geoid modelling from gravimetric observations using the modified Stokes integral for engineering applications in Benin City. A total of 52 points were observed with GNSS receivers and a gravimeter to respectively obtain their positions and absolute gravity values. The theoretical gravity values of the points were computed on the Clarke 1880 ellipsoid to obtain their local gravity anomalies. The modified Stokes integral was applied to compute the geoid heights of the points. The combined topographic effect was applied to the computed geoid heights of the points to obtain their precise geoid heights. The mean of the precise geoid heights of the points was computed to obtain the local gravimetric geoid model of the study area. The determined geoid model was validated for its reliability as well as the accuracy using the RMSE index. It is recommended that the use of assumed, as well as handheld GPS receiver heights for engineering works should be totally abolished as this study has established the local geoid model of Benin City.
mpact of Urbanization on Land Surface Temperature - A Case Study of Kolkata N...theijes
Land Surface Temperature depends on the nature of land surface. Water bodies, green fields remain cooler than bare ground and built-up area. Kolkata New Town is emerging in agricultural area through filling of big water bodies and converting cultivated lands into built up area. This study aims to analyse the changes in land surface temperature with advent of the town. It is found that the land surface temperature is increasing sharply. The mean temperature of the area was 22.8°C in 1996 which became 24.9°C in 2004 and 26.4°C in 2014. Spatial variation was sharp during early stage of project i.e. 1996-2004. Besides The relation of built-up (NDBI) and LST is found positively co-related with a r value of 0.76 in 2004 and 0.73 in 2014 and the relation with vegetation (NDVI) is negatively related and the r value is -.0.35 in both the years of 2004 and 2014. Several patches of heat zones are now being popped up these zones have been identified on the map of Kolkata New Town. The study suggests toconsider the possible micro-climatic changes in town planning for the sustainable development.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
2. WHAT IS A GEODETIC DATUM?
A geodetic datum is an abstract coordinate
system with a reference surface (such as sea
level) that serves to provide known locations
to begin surveys and create maps.
2
3. TYPES OF DATUM:
1. Horizontal Datum:
The horizontal datum is the model
used to measure positions on the earth.
2. Vertical Datum:
A vertical datum is used for
measuring the elevations of points on the sea level.
3
5. The Geospatial Information Authority
(GSI) of Japan is responsible for the
establishment of the Japanese Geodetic
Datum
(and also its revision).
5
6. HISTORY OF JAPANESE GEODETIC
DATUM (JGD):
Until the enforcement of the amended
Survey Act on April 1, 2002, the local
geodetic reference system had been used in
Japan, based on the origin point at the
former Tokyo Astronomical Observatory,
Azabudai in Tokyo, whose longitude,
latitude and azimuth were determined by
astronomical observation carried out in the
19th century, and based on the Bessel
Ellipsoid adopted by the Meiji Government. 6
7. After 2002 the Japanese Geodetic Datum
2000 (JGD2000) was established in
accordance with ITRF94 (epoch 1997.0) and
GRS80 ellipsoid.
ITRF stands for International Terrestrial
Reference Frame.
7
8. EARTHQUAKES AND THEIR EFFECTS:
Japan is located on the plate boundary and is
frequently suffered from large earthquakes such
as the 2011 off the Pacific coast of Tohoku
Earthquake. Due to this Earthquake:
“Owing to accumulated strains and crustal
deformations caused by plate subduction, some
areas have had considerable gaps between static
JGD2000 and actual coordinates estimated by
GNSS observations.”
8
9. As a result of the 2011 Earthquake,
JGD-2011 was established, which is still used
today.
9
11. THE TOKYO DATUM:
In 1874 USA determined the longitude
difference between Tokyo and Nagasaki. The
Geographic Department of the Interior Ministry
also carried out the determination of the
longitude difference between Nagasaki and
Tokyo from 1879 to 1880. The average of both
of these was considered the Longitude of
Tokyo.
Concerning the latitude of the origin point, the
value determined by the astronomical
observation at the Tokyo Naval Observatory in
1876 was adopted as the standard until the
Survey Act Amendment.
11
12. JGD 2000:
In 1998 March, the new policy, which
includes the adoption of a Geocentric
Geodetic System, the Japanese Geodetic
Datum 2000, and the establishment of
realization of geodetic results or the
Geodetic Coordinates 2000, was decided.
The Aim was to provide a standard for
positioning at any time, at any location,
and at the required accuracy.
12
13. Geocentric System takes the center of Earth as its
reference point.
Geocentric Datum are more compatible with satellite
positioning systems, such as GPS, than are local Datum.
Geocentric Geodetic System was adopted because:
1. Needs for accuracy of the geodetic datum, which has
been rapidly increasing under the circumstances of
rapid progress on survey technology.
2. Difficulty in maintaining a big number of control
points.
3. Adoption of a geocentric geodetic system
recommended by the international organizations.
13
14. And so considering all these points the ITRF94 fixed
at the epoch of 1 January 1997 0:00 UT was used
which used the GRS80 Ellipsoid to establish
JGD2000.
14
15. JGD 2011:
Events that led to the establishment of
this system:
In 2011 Pacific coast of Tohoku Earthquake
stuck Japan after which there was seen a
difference between the points established by
JGD2000 and those by GNSS. This led to the
establishment of a new Geodetic Datum i-e
JGD2011.
15
17. The solution was to calculate new coordinates of
GNSS-based Control Stations on newest
International Terrestrial Reference Frame
(ITRF2008), and then the coordinates of
triangulation stations were calculated through re-survey
and re-calculation using correction
parameters. The new set of revised survey results
together with existing results in un-revised areas
are now called Japan Geodetic Datum 2011
(JGD2011).
17
18. VERTICAL DATUM:
Two systems were used in Japan for this purpose:
1. Tokyo Bay Mean Sea Level
2. Japanese Vertical Reference System 2000
18
19. TOKYO BAY MEAN SEA LEVEL:
Survey Act Article 11 describes that position
should be principally represented by:
1. Geographical Latitude
2. Longitude,
3. Height above the Mean Sea Level.
19
20. The “Mean Sea Level” of the article is
defined in the Cabinet Order of the
Survey Act, which describes that the
numeric value of Nihon Suijun Genten
(the origin point for the vertical datum
of Japan) is 24.4140 meters above the
mean sea level at the Tokyo Bay.
20
21. JAPANESE VERTICAL REFERENCE SYSTEM
2000:
In the Japanese vertical reference system in
2000, the Orthometric Height System is
adopted, which displaced the normal
orthometric height system used in the former
vertical system, the Japanese vertical reference
system, in 1969.
21
22. ORTHOMETRIC HEIGHT:
Orthometric Height is defined as the length along a
plumb line between a point and the standard
equipotential surface (Geoid).
While a general method for determining an
orthometric height is a leveling survey, a sum of
measured values at each measuring point with a
leveling survey without any gravitational correction is
not coincident with the orthometric height, because
of the effect whereby equipotential surfaces are not
exactly parallel.
22