Presentation by Lauren Grimley (University of North Carolina at Chapel Hill, USA), at the Delft3D User Days, during Delft Software Days - Edition 2022. Wednesday, 16 November 2022.
The History of Coastal Flood Hazard Assessments in the Great LakesDaryl Shepard
Â
This document discusses the history of coastal flood hazard assessments in the Great Lakes region. It provides statistics on the size and coastline of the Great Lakes. While inland, the Great Lakes can experience risks from storms similar to hurricanes, including surge, waves, and overtopping. The document outlines the processes considered in coastal flood analyses, such as wave setup, runup, overtopping, and overland wave propagation. It describes the Great Lakes Coastal Flood Study initiated in 2009 to conduct a basin-wide flood risk assessment and update guidance. The study uses a regional approach to analyze water levels, waves, and other processes to map flood hazards.
ASFPM 2016: The History of Coastal Flood Hazard Assessments in the Great LakesCDM Smith
Â
Brian Caufield presented "The History of Coastal Flood Hazard Assessments in the Great Lakes" at the 2016 Association of State Floodplain Managers conference.
Presentation by John Nielson-Gammon, State Climatologist and Professor of Atmospheric Science at Texas A&M University, at the 2018 Gulf Coast Water Conservation Symposium in Houston, Texas.
Sea Level Rise Models for Ocean Beach_kw.edEllen Doudna
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This document models potential coastal flooding at Ocean Beach in San Francisco from rising sea levels due to climate change between 2000-2100. It finds that mean highest high tides are projected to rise 0.12-0.61 meters by 2050 and up to 1.67 meters by 2100. The model shows flooding could reach up to 100 meters inland at the northern end of Ocean Beach under these sea level rise scenarios. However, the model has limitations and does not account for factors like erosion that could exacerbate flooding impacts. It is intended to illustrate potential flooding risks rather than exact water levels.
IAHR 2015 - Coastal flooding and dune breaching in the central part of the ba...Deltares
Â
The document discusses coastal flooding and dune breaching during storm Xynthia in the Bay of Biscay. Storm Xynthia caused a storm surge over 1.5m in La Rochelle with winds up to 150km/h and minimum pressure of 969 mbar. It resulted in 47 deaths and over 2.5 billion euros in damages. Numerical models are used to hindcast the exceptional storm surge and associated flooding to better understand the processes and impacts of coastal flooding during major storms. The contribution of wave effects and dune breaching to coastal flooding are also analyzed.
This document discusses techniques for delineating approximate floodplains, including using regional regression equations and hydrology/hydraulic models like HEC-RAS and HEC-GeoRAS. It also describes a case study on Ash Creek in Pennsylvania where these methods were used to define the 100-year floodplain by deriving peak flows, running HEC-RAS to get water surface elevations, and mapping the results in GIS with HEC-GeoRAS. The conclusions state that these techniques provide an expeditious way to preliminarily delineate floodplains in around 2 months.
Terrigenous sediment dynamics in a small, tropical, fringing-reef embaymentalexmessina
Â
Final presentation to the Coral Reef Advisory Group (CRAG) and the American Samoa Environmental Protection Agency (ASEPA) on the doctoral dissertation work by Dr. Alex Messina
This document summarizes the key findings from a study examining terrestrial sediment dynamics in a small tropical reef embayment. The study investigated: 1) Where sediment is coming from using measurements of sediment yield from different sources; 2) How water circulates over the reef using both fixed and drifting sensors under different wind/wave conditions; and 3) Where sediment is accumulating spatially and temporally using sediment traps and pods. Key findings include that the quarry was a major sediment source, northern areas of the reef experienced higher accumulation, and wave energy influences circulation and redistributes carbonate sediment. The interplay between watershed sediment input, hydrodynamics, and accumulation patterns was examined.
The History of Coastal Flood Hazard Assessments in the Great LakesDaryl Shepard
Â
This document discusses the history of coastal flood hazard assessments in the Great Lakes region. It provides statistics on the size and coastline of the Great Lakes. While inland, the Great Lakes can experience risks from storms similar to hurricanes, including surge, waves, and overtopping. The document outlines the processes considered in coastal flood analyses, such as wave setup, runup, overtopping, and overland wave propagation. It describes the Great Lakes Coastal Flood Study initiated in 2009 to conduct a basin-wide flood risk assessment and update guidance. The study uses a regional approach to analyze water levels, waves, and other processes to map flood hazards.
ASFPM 2016: The History of Coastal Flood Hazard Assessments in the Great LakesCDM Smith
Â
Brian Caufield presented "The History of Coastal Flood Hazard Assessments in the Great Lakes" at the 2016 Association of State Floodplain Managers conference.
Presentation by John Nielson-Gammon, State Climatologist and Professor of Atmospheric Science at Texas A&M University, at the 2018 Gulf Coast Water Conservation Symposium in Houston, Texas.
Sea Level Rise Models for Ocean Beach_kw.edEllen Doudna
Â
This document models potential coastal flooding at Ocean Beach in San Francisco from rising sea levels due to climate change between 2000-2100. It finds that mean highest high tides are projected to rise 0.12-0.61 meters by 2050 and up to 1.67 meters by 2100. The model shows flooding could reach up to 100 meters inland at the northern end of Ocean Beach under these sea level rise scenarios. However, the model has limitations and does not account for factors like erosion that could exacerbate flooding impacts. It is intended to illustrate potential flooding risks rather than exact water levels.
IAHR 2015 - Coastal flooding and dune breaching in the central part of the ba...Deltares
Â
The document discusses coastal flooding and dune breaching during storm Xynthia in the Bay of Biscay. Storm Xynthia caused a storm surge over 1.5m in La Rochelle with winds up to 150km/h and minimum pressure of 969 mbar. It resulted in 47 deaths and over 2.5 billion euros in damages. Numerical models are used to hindcast the exceptional storm surge and associated flooding to better understand the processes and impacts of coastal flooding during major storms. The contribution of wave effects and dune breaching to coastal flooding are also analyzed.
This document discusses techniques for delineating approximate floodplains, including using regional regression equations and hydrology/hydraulic models like HEC-RAS and HEC-GeoRAS. It also describes a case study on Ash Creek in Pennsylvania where these methods were used to define the 100-year floodplain by deriving peak flows, running HEC-RAS to get water surface elevations, and mapping the results in GIS with HEC-GeoRAS. The conclusions state that these techniques provide an expeditious way to preliminarily delineate floodplains in around 2 months.
Terrigenous sediment dynamics in a small, tropical, fringing-reef embaymentalexmessina
Â
Final presentation to the Coral Reef Advisory Group (CRAG) and the American Samoa Environmental Protection Agency (ASEPA) on the doctoral dissertation work by Dr. Alex Messina
This document summarizes the key findings from a study examining terrestrial sediment dynamics in a small tropical reef embayment. The study investigated: 1) Where sediment is coming from using measurements of sediment yield from different sources; 2) How water circulates over the reef using both fixed and drifting sensors under different wind/wave conditions; and 3) Where sediment is accumulating spatially and temporally using sediment traps and pods. Key findings include that the quarry was a major sediment source, northern areas of the reef experienced higher accumulation, and wave energy influences circulation and redistributes carbonate sediment. The interplay between watershed sediment input, hydrodynamics, and accumulation patterns was examined.
Hosted on the campus of the University of North Carolina at Chapel Hill. Dr. Emanuel addresses the recent tragedies of Hurricanes Harvey and Irma, together with earlier extreme events such as Hurricanes Katrina and Sandy, has raised the question whether the apparent increasing severity of such events can be attributed to the human influence on greenhouse gas warming. Dr. Emanuel will review the growing consensus that the incidence of the strongest storms will increase over time, even though there may be a decline of the far more numerous weaker events.
This document analyzes extreme precipitation events in the Gulf region from 1949-2017, with a focus on Hurricane Harvey. It examines rainfall totals from Harvey and other events using grid boxes of different sizes. Harvey had rainfall exceed 50 inches in some locations over multiple days. The analysis ranks the top 100 rainfall events and finds that 24 of these were caused by tropical cyclones, while most others were associated with fronts. It discusses the challenges of analyzing extreme precipitation at different spatial and temporal scales, from individual thunderstorms to hemispheric weather patterns.
Getting the Most From Weather Data - Daniel Pearson, Mark Lenz, Nelun Fernand...TWCA
Â
TWCA Fall Conference 2019 - (helpful links below)
USGS Links:
Water Alert - https://maps.waterdata.usgs.gov/mapper/wateralert/
National Water Information System: Web Interface - https://waterdata.usgs.gov/tx/nwis/current?type=flow
Water Services - https://waterservices.usgs.gov/
Texas Water Dashboard - https://txpub.usgs.gov/txwaterdashboard
NWS Austin/San Antonio - weather.gov/sanantonio
TWDB Links:
Water Data for Texas â https://waterdatafortexas.org/
Flood viewer - https://map.texasflood.org/#/
TexMesonet - https://www.texmesonet.org/
LCRA Hyrdromet - hydromet.lcra.org
Sea level rise and storm surge tools and datasets supporting Municipal Resili...GrowSmart Maine
Â
Why plan for growth and change, when it seems so much easier to simply react?
When there is a distinct and shared vision for your community - when residents, businesses and local government anticipate a sustainable town with cohesive and thriving neighborhoods - you have the power to conserve your beautiful natural spaces, enhance your existing downtown or Main Street, enable rural areas to be productive and prosperous, and save money through efficient use of existing infrastructure.
This is the dollars and sense of smart growth.
Success is clearly visible in Maine, from the creation of a community-built senior housing complex and health center in Fort Fairfield to conservation easements creating Forever Farms to Rockland's revitalized downtown. Communities have options. We have the power to manage our own responses to growth and change.
After all, âPlanning is a process of choosing among those many options. If we do not choose to plan, then we choose to have others plan for us.â - Richard I. Winwood
And in the end, this means that our children and their children will choose to make Maine home and our economy will provide the opportunities to do so.
The Summit offers you a wonderful opportunity to be a part of the transformative change in Maine that weâve seen these gatherings produce. We encourage you to consider the value of being actively involved in growing Maineâs economy and protecting the reasons we choose to live here.
Hurricane Threat and Risk Analysis in Rhode Islandriseagrant
Â
Hurricane Threat and Risk Analysis in Rhode Island presented at the July 24, 2014 Beach Special Area Management Plan Stakeholder meeting.
Dr. Isaac Ginis, URI Graduate School of Oceanography
View the video here: http://new.livestream.com/universityofrhodeisland/StormRecoveryRI
This document provides an overview of floods, including their causes, types, effects, and management. It discusses intrinsic and extrinsic factors that can cause flooding when thresholds are exceeded. The main causes of flooding are meteorological, hydrological, and anthropogenic factors like urbanization and deforestation. Common flood types are river floods, flash floods, coastal floods, and urban floods. Estimating floods involves past records, the Rational Method, and flood frequency studies. Design floods are selected based on their return period and probability. Prone areas in India are mapped. Flood management strategies include building on raised platforms, afforestation, forecasting, and controlling water flow with dams.
This document describes a project studying climate change and inland flooding in Jamaica. The project is funded by CDKN and managed by CARIBSAVE. The principal investigator is Arpita Mandal from the University of the West Indies. The objectives are to analyze historic flooding, assess community knowledge and attitudes, create climate projections and flood hazard maps for two watersheds, and disseminate results. Flood hazard maps have been created for present and future scenarios. Climate projections and downscaling are in progress. Outputs will be shared through workshops, radio, and academic publications.
- The document analyzes precipitation data from TRMM satellite observations to quantify the contribution of extreme convective storms to rainfall in South America.
- It finds that while extreme storms make up a small percentage of total storm counts, they contribute significantly to rainfall, especially in subtropical regions like the La Plata Basin.
- In the La Plata Basin, extreme storm cores represent only about 3% of total storm counts but contribute approximately 95% of total rainfall. This indicates extreme convective storms play a crucial role in the hydrological cycle of this important river basin.
005 Mapping and modelling climate change impacts, vulnerable features and com...djhutch
Â
Presentation given by Drs Malcolm Whitworth and Robert Inkpen (Centre for Applied Geosciences, University of Portsmouth) at UPEN workshop - Climate change and the Solent: Opportunities and Vulnerabilities.
The Practice and Potential of Ecosystem-Based Management
Applying lessons from land use and coastal management in Maine hosted by Wells National Estuarine Research Reserve,
Maine Coastal Program, Maine Sea Grant,the University of New England, and the Ecosystem-based Management Tools Network
Development of a Flood Warning Tool Set for Bandera, Texas - Doug SchnoebelenTWCA
Â
This document discusses the development of an early flood warning tool set for Bandera County, Texas. It summarizes how the USGS uses real-time streamgage and rainfall data along with hydraulic modeling and mapping to create flood inundation maps. These maps show predicted flood extent and depth across different flood categories. The tools also include video cameras, drone mapping, and particle image velocimetry to measure stream velocities. The goal is to provide emergency managers with flood forecasts and scenarios to help with preparedness, response, and recovery efforts.
What You Need to Know About NOAA Atlas 14, Gregory Waller - National Oceanic ...TWCA
Â
The document provides information about NOAA Atlas 14, which updated precipitation frequency estimates for Texas. Some key points:
- Atlas 14 analyzed over 3,900 weather stations and 60 years of data to develop new intensity-duration-frequency curves for precipitation events.
- The estimates generally show higher rainfall amounts than previous studies, with some locations up to 30% higher for certain storm durations and return periods.
- Notable events like Hurricane Harvey influenced some long-duration estimates. Atlas 14 provides more spatially refined data to help infrastructure planning and flood risk assessment.
- While an improvement, Atlas 14 still has limitations and uncertainties that may be addressed through future updates and complementary studies. The new precipitation frequency curves do
The document discusses the impacts of rising sea levels and storm surges in the New York - New Jersey metropolitan area from Sandy and future storms. It notes that the area is particularly vulnerable due to its location and low elevation. Devastating storm surges have occurred throughout history and are expected to increase in intensity over time due to climate change and sea level rise. While a category 3 or 4 hurricane is unlikely for the region, preparations must be made for extreme weather. The document recommends coastal protections for the New York Harbor area to mitigate flooding risks over the next century.
This document discusses various aspects of hurricane forecasting and risk communication. It provides statistics on the 2018 hurricane season, including early season storms and track errors that were lower than previous years. It also discusses challenges in risk perception and how communication can be improved by providing annual flood risk statistics instead of focusing just on the 1% chance of flooding. The document emphasizes that small changes in forecast track or landfall location can significantly impact storm surge flooding risks. It outlines goals for the Hurricane Forecast Improvement Project to continue reducing forecast errors and improving hazard guidance and risk communication.
NISAR
Oil, Gas, and Water Underground Reservoirs
NASA
National Aeronautics and Space Administration
NASA-ISRO Synthetic Aperture Radar (NISAR)
By
Dr. Pankaj Dhussa
The document discusses tropical storms and hurricanes, including:
1. The Saffir-Simpson scale which categorizes hurricanes based on wind speed intensity from 1 to 5.
2. The primary impacts of hurricanes include high winds, intense rainfall causing flooding, and storm surge which can result in 90% of hurricane deaths.
3. Prediction of hurricanes is limited but seasonal forecasts can provide estimates of overall storm activity for a given season, while short term forecasts track individual storms. Landfall location is difficult to predict due to variable storm tracks.
The document discusses hydrodynamic modeling of riverine, tidal, and hurricane flows in the Gulf of Mexico using the CASCaDE and ADCIRC models. It provides motivation for modeling these flows, describes the hydrodynamic models and modeling framework used, and gives examples of applications for tidal harmonics validation, coastal river modeling, and hurricane surge simulations. The overall goal is to capture local and regional flow processes in the Gulf to better understand impacts from hurricanes, sea level rise, and other events.
DSD-INT 2017 Beware: Bayesian Estimation Of Wave Attack In Reef Environments ...Deltares
Â
Presentation by Stuart G. Pearson (Deltares, TU Delft) at the XBeach X (10th Year Anniversary) Conference, during Delft Software Days - Edition 2017. Thursday, 2 November 2017, Delft.
DSD-INT 2023 Hydrology User Days - Intro - Day 3 - KroonDeltares
Â
Presentation by Timo Kroon and Nadine Slootjes (Deltares, Netherlands) at the Hydrology Suite User Days (Day 3) - Groundwater modelling, during the Delft Software Days - Edition 2023 (DSD-INT 2023). Thursday, 30 November 2023, Delft.
Presentation by Sabrina Couvin Rodriguez (Deltares, Netherlands) at the Climate Adaptation Symposium 2023, during the Delft Software Days - Edition 2023 (DSD-INT 2023). Wednesday, 29 November 2023, Delft.
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Hosted on the campus of the University of North Carolina at Chapel Hill. Dr. Emanuel addresses the recent tragedies of Hurricanes Harvey and Irma, together with earlier extreme events such as Hurricanes Katrina and Sandy, has raised the question whether the apparent increasing severity of such events can be attributed to the human influence on greenhouse gas warming. Dr. Emanuel will review the growing consensus that the incidence of the strongest storms will increase over time, even though there may be a decline of the far more numerous weaker events.
This document analyzes extreme precipitation events in the Gulf region from 1949-2017, with a focus on Hurricane Harvey. It examines rainfall totals from Harvey and other events using grid boxes of different sizes. Harvey had rainfall exceed 50 inches in some locations over multiple days. The analysis ranks the top 100 rainfall events and finds that 24 of these were caused by tropical cyclones, while most others were associated with fronts. It discusses the challenges of analyzing extreme precipitation at different spatial and temporal scales, from individual thunderstorms to hemispheric weather patterns.
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National Water Information System: Web Interface - https://waterdata.usgs.gov/tx/nwis/current?type=flow
Water Services - https://waterservices.usgs.gov/
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Why plan for growth and change, when it seems so much easier to simply react?
When there is a distinct and shared vision for your community - when residents, businesses and local government anticipate a sustainable town with cohesive and thriving neighborhoods - you have the power to conserve your beautiful natural spaces, enhance your existing downtown or Main Street, enable rural areas to be productive and prosperous, and save money through efficient use of existing infrastructure.
This is the dollars and sense of smart growth.
Success is clearly visible in Maine, from the creation of a community-built senior housing complex and health center in Fort Fairfield to conservation easements creating Forever Farms to Rockland's revitalized downtown. Communities have options. We have the power to manage our own responses to growth and change.
After all, âPlanning is a process of choosing among those many options. If we do not choose to plan, then we choose to have others plan for us.â - Richard I. Winwood
And in the end, this means that our children and their children will choose to make Maine home and our economy will provide the opportunities to do so.
The Summit offers you a wonderful opportunity to be a part of the transformative change in Maine that weâve seen these gatherings produce. We encourage you to consider the value of being actively involved in growing Maineâs economy and protecting the reasons we choose to live here.
Hurricane Threat and Risk Analysis in Rhode Islandriseagrant
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Hurricane Threat and Risk Analysis in Rhode Island presented at the July 24, 2014 Beach Special Area Management Plan Stakeholder meeting.
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View the video here: http://new.livestream.com/universityofrhodeisland/StormRecoveryRI
This document provides an overview of floods, including their causes, types, effects, and management. It discusses intrinsic and extrinsic factors that can cause flooding when thresholds are exceeded. The main causes of flooding are meteorological, hydrological, and anthropogenic factors like urbanization and deforestation. Common flood types are river floods, flash floods, coastal floods, and urban floods. Estimating floods involves past records, the Rational Method, and flood frequency studies. Design floods are selected based on their return period and probability. Prone areas in India are mapped. Flood management strategies include building on raised platforms, afforestation, forecasting, and controlling water flow with dams.
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- It finds that while extreme storms make up a small percentage of total storm counts, they contribute significantly to rainfall, especially in subtropical regions like the La Plata Basin.
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Presentation by Harm Nomden (SWECO, Netherlands) at the Hydrology Suite User Days (Day 1) - Hydrology Suite introduction and River Basin Management software (RIBASIM), during the Delft Software Days - Edition 2023 (DSD-INT 2023). Tuesday, 28 November 2023, Delft.
Most important New features of Oracle 23c for DBAs and Developers. You can get more idea from my youtube channel video from https://youtu.be/XvL5WtaC20A
Unveiling the Advantages of Agile Software Development.pdfbrainerhub1
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Learn about Agile Software Development's advantages. Simplify your workflow to spur quicker innovation. Jump right in! We have also discussed the advantages.
Introducing Crescat - Event Management Software for Venues, Festivals and Eve...Crescat
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Crescat is industry-trusted event management software, built by event professionals for event professionals. Founded in 2017, we have three key products tailored for the live event industry.
Crescat Event for concert promoters and event agencies. Crescat Venue for music venues, conference centers, wedding venues, concert halls and more. And Crescat Festival for festivals, conferences and complex events.
With a wide range of popular features such as event scheduling, shift management, volunteer and crew coordination, artist booking and much more, Crescat is designed for customisation and ease-of-use.
Over 125,000 events have been planned in Crescat and with hundreds of customers of all shapes and sizes, from boutique event agencies through to international concert promoters, Crescat is rigged for success. What's more, we highly value feedback from our users and we are constantly improving our software with updates, new features and improvements.
If you plan events, run a venue or produce festivals and you're looking for ways to make your life easier, then we have a solution for you. Try our software for free or schedule a no-obligation demo with one of our product specialists today at crescat.io
8 Best Automated Android App Testing Tool and Framework in 2024.pdfkalichargn70th171
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Regarding mobile operating systems, two major players dominate our thoughts: Android and iPhone. With Android leading the market, software development companies are focused on delivering apps compatible with this OS. Ensuring an app's functionality across various Android devices, OS versions, and hardware specifications is critical, making Android app testing essential.
Zoom is a comprehensive platform designed to connect individuals and teams efficiently. With its user-friendly interface and powerful features, Zoom has become a go-to solution for virtual communication and collaboration. It offers a range of tools, including virtual meetings, team chat, VoIP phone systems, online whiteboards, and AI companions, to streamline workflows and enhance productivity.
DDS Security Version 1.2 was adopted in 2024. This revision strengthens support for long runnings systems adding new cryptographic algorithms, certificate revocation, and hardness against DoS attacks.
AI Fusion Buddy Review: Brand New, Groundbreaking Gemini-Powered AI AppGoogle
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AI Fusion Buddy Review: Brand New, Groundbreaking Gemini-Powered AI App
đđ Click Here To Get More Info đđ
https://sumonreview.com/ai-fusion-buddy-review
AI Fusion Buddy Review: Key Features
â Create Stunning AI App Suite Fully Powered By Google's Latest AI technology, Gemini
â Use Gemini to Build high-converting Converting Sales Video Scripts, ad copies, Trending Articles, blogs, etc.100% unique!
â Create Ultra-HD graphics with a single keyword or phrase that commands 10x eyeballs!
â Fully automated AI articles bulk generation!
â Auto-post or schedule stunning AI content across all your accounts at onceâWordPress, Facebook, LinkedIn, Blogger, and more.
â With one keyword or URL, generate complete websites, landing pages, and moreâŠ
â Automatically create & sell AI content, graphics, websites, landing pages, & all that gets you paid non-stop 24*7.
â Pre-built High-Converting 100+ website Templates and 2000+ graphic templates logos, banners, and thumbnail images in Trending Niches.
â Say goodbye to wasting time logging into multiple Chat GPT & AI Apps once & for all!
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â Brand New App: Not available anywhere else!
â Beginner-friendly!
â ZERO upfront cost or any extra expenses
â Risk-Free: 30-Day Money-Back Guarantee!
â Commercial License included!
See My Other Reviews Article:
(1) AI Genie Review: https://sumonreview.com/ai-genie-review
(2) SocioWave Review: https://sumonreview.com/sociowave-review
(3) AI Partner & Profit Review: https://sumonreview.com/ai-partner-profit-review
(4) AI Ebook Suite Review: https://sumonreview.com/ai-ebook-suite-review
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Odoo ERP software
Odoo ERP software, a leading open-source software for Enterprise Resource Planning (ERP) and business management, has recently launched its latest version, Odoo 17 Community Edition. This update introduces a range of new features and enhancements designed to streamline business operations and support growth.
The Odoo Community serves as a cost-free edition within the Odoo suite of ERP systems. Tailored to accommodate the standard needs of business operations, it provides a robust platform suitable for organisations of different sizes and business sectors. Within the Odoo Community Edition, users can access a variety of essential features and services essential for managing day-to-day tasks efficiently.
This blog presents a detailed overview of the features available within the Odoo 17 Community edition, and the differences between Odoo 17 community and enterprise editions, aiming to equip you with the necessary information to make an informed decision about its suitability for your business.
Software Engineering, Software Consulting, Tech Lead, Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Transaction, Spring MVC, OpenShift Cloud Platform, Kafka, REST, SOAP, LLD & HLD.
OpenMetadata Community Meeting - 5th June 2024OpenMetadata
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The OpenMetadata Community Meeting was held on June 5th, 2024. In this meeting, we discussed about the data quality capabilities that are integrated with the Incident Manager, providing a complete solution to handle your data observability needs. Watch the end-to-end demo of the data quality features.
* How to run your own data quality framework
* What is the performance impact of running data quality frameworks
* How to run the test cases in your own ETL pipelines
* How the Incident Manager is integrated
* Get notified with alerts when test cases fail
Watch the meeting recording here - https://www.youtube.com/watch?v=UbNOje0kf6E
Using Query Store in Azure PostgreSQL to Understand Query PerformanceGrant Fritchey
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Microsoft has added an excellent new extension in PostgreSQL on their Azure Platform. This session, presented at Posette 2024, covers what Query Store is and the types of information you can get out of it.
Artificia Intellicence and XPath Extension FunctionsOctavian Nadolu
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The purpose of this presentation is to provide an overview of how you can use AI from XSLT, XQuery, Schematron, or XML Refactoring operations, the potential benefits of using AI, and some of the challenges we face.
Need for Speed: Removing speed bumps from your Symfony projects âĄïžĆukasz ChruĆciel
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No one wants their application to drag like a car stuck in the slow lane! Yet itâs all too common to encounter bumpy, pothole-filled solutions that slow the speed of any application. Symfony apps are not an exception.
In this talk, I will take you for a spin around the performance racetrack. Weâll explore common pitfalls - those hidden potholes on your application that can cause unexpected slowdowns. Learn how to spot these performance bumps early, and more importantly, how to navigate around them to keep your application running at top speed.
We will focus in particular on tuning your engine at the application level, making the right adjustments to ensure that your system responds like a well-oiled, high-performance race car.
Oracle Database 19c New Features for DBAs and Developers.pptx
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DSD-INT 2022 Academic compound flood modelling in the USA - Grimley
1. Academic compound flood modelling in the USA
Assessing Compound Flooding from Tropical Cyclones in Texas and the Carolinas
Lauren Grimley, PhD Candidate
UNC Flood Hazards Lab | Department of Earth, Marine and Environmental Sciences
Delft3D User Days
November 16, 2022
2. Changing Coasts and Floodplains
2
Photo: Avery Smith
Photo: Avery Smith
Photo: Chuck Burton
3. Flood hazard estimates neglect pluvial and compound flood
mechanisms.
Storm Sewer or
Groundwater
Surcharge
Precipitation
Streamflow
Storm Surge
Photo: AP Photo/Steve Helber
3
4. Hindcasting flooding from Tropical Cyclones using
SFINCS
4
Houston, Texas
Hurricane Harvey (2017)
~1500 mm
5. Hindcast of pluvial, fluvial, and coastal flood damage in Houston,
Texas during Hurricane Harvey (2017) using SFINCS
5
- 25m grid
- 3 streamflow inputs
- 1 coastal input
6. SFINCS tends to overpredict peak water levels by 0.8 meters.
6
High-Water Marks
7. A large portion of residential damage is estimated to occur in areas
far from the mapped floodplain.
7
Within FEMA Floodplain
Across SFINCS Domain
8. T HE UN IV E RSIT Y OF N ORT H CAROLIN A AT CHAP E L HILL 8
Extreme rainfall from topical
cyclones can led to significant
uninsured losses.
Areas with high rates of flooded
structures are particularly
vulnerable populations.
9. Continued work in Houston
âą Model improvements
âą Incorporate channel
bathymetry
âą Subgrid application
(Deltares)
âą Using model results to assess
climate vulnerability and
household adaptation
10. Hindcasting pluvial flooding from Tropical Cyclones
using SFINCS
10
North and South Carolina
Hurricane Florence (2018)
~750 mm
12. Model Inputs and Scenarios
12
USGS Discharge/Stage
NOAA/ADCIRC Coastal Water Levels
MRMS radar-rainfall
Ocean Weather wind
13. Surge Only Surge + Streamflow Surge + Streamflow + Wind + Rain
The contribution of different flood mechanisms varies from
inland to the coast
14. The contribution of different
flood mechanisms varies
from inland to the coast
New Bern, NC
Jacksonville, NC
15. 15
Model Validation
How well is the model routing water across the terrain?
How well is the model capturing peak water levels?
Is the model predicting flooding at the right locations?
16. How well is the model routing
water across the terrain?
16
Average MAE: 1.36
Average RMSE: 1.60
19. Is the model
predicting
flooding at
the right
locations?
19
Miss
False Alarm
Correct Non-
forecasts
âHitâ if modeled
max depth
> 0.15 m
Probability of detection = 0.91
False alarm rate = 0.49
Success ratio = 0.51
Critical success index = 0.48
20. 20
Observations:
- Wind is an important driver of flooding in estuarine communities
- Assessing models for predicting pluvial flooding is challenging but
important when considering damage estimation
Final Steps:
- Representing channel bathymetry + finer subgrid resolution
- Publish!
Future Work:
- Estimate damages from TCs under future conditions
- Create database of historical flooding
- Use to inform risk and vulnerability assessments
Email: Lauren.Grimley@unc.edu
Twitter: @_LaurenGrimley