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Hydrologic Modeling Methods in HEC-HMS: A Comprehensive Overview

Explore the transformative methods within HEC-HMS hydrologic modeling, including unit hydrograph derivation, excess precipitation transformation, hydrograph illustration, surface transform methods, and concepts like the kinematic wave and 2D diffusion wave. Learn about the unit hydrograph, kinematic

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Managing Water Resources Data with HEC-DSSVue

Learn about managing gridded data in HEC-DSSVue, including how grids represent spatial data, storing data in DSS, naming conventions, tools for manipulation, and more. Explore the importance of grids in hydrologic modeling and the application of spatial data in HEC-HMS and HEC-RAS.

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Stochastic Storm Transposition in HEC-HMS: Modern Techniques and Applications

Explore the innovative methods and practical applications of Stochastic Storm Transposition (SST) in the context of HEC-HMS. Delve into the history, fundamentals, simulation procedures, and benefits of using SST for watershed-averaged precipitation frequency analysis. Learn about the non-parametric

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Understanding Reservoir Inflows and Computing Methods

Explore the methods for computing reservoir inflows, including mass balance formulas, known and unknown variables, and techniques to handle negative values. Learn about linking to HMS for hydrologic engineering, estimating local inflows, and utilizing smoothing techniques for accurate results.

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Hydrologic Modeling with Gridded Precipitation Data

Learn about utilizing gridded precipitation data for hydrologic modeling with HEC-HMS. Explore the advantages of spatially distributed precipitation sources such as RADAR and gauge comparisons, and understand the various national and regional products available. Discover utilities for converting and

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Parameter Expression Calculator for Efficient Parameter Estimation from GIS Data

Parameter Expression Calculator within HEC-HMS offers a convenient tool to estimate loss, transform, and baseflow parameters using GIS data. It includes various options such as Deficit and Constant Loss, Green and Ampt Transform, Mod Clark Transform, Clark Transform, S-Graph, and Linear Reservoir. U

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Restructuring of USACE HEC-HMS Meteorologic Model

Significant modifications have been made to the HEC-HMS meteorologic model to enhance modeling tasks' ease and intuitiveness. The Met Model Restructure updates in versions 4.9 to 4.11 streamline meteorologic processes, introduce new features like automatic linkages and zonal editors for snowmelt, an

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Historic Precipitation Hydrologic Modeling with HEC-HMS Slides by Greg Karlovits, Emily Moe, Daniel Black

Delve into the world of hydrologic modeling with HEC-HMS through a detailed presentation by experts Greg Karlovits, Emily Moe, and Daniel Black. Explore meteorologic models, atmospheric boundary conditions, basin modeling, and simulation runs in this informative slide series.

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Understanding Canopy and Surface Methods in HEC-HMS

Explore the various canopy and surface methods utilized in HEC-HMS for managing water resources. Learn about canopy interception, evapotranspiration, common parameter values, and factors affecting losses. Delve into available methods, canopy storage values, and surface depression storage. Enhance yo

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Understanding Reach Characteristics in HEC-HMS Basin Modeling

Reach characteristics play a crucial role in hydrological modeling using HEC-HMS. Georeferenced reaches are essential for computing reach characteristics like slope, sinuosity, relief, and more. The process involves pre-processing drainage data before detailed reach characteristics can be obtained.

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Understanding Baseflow Modeling in HEC-HMS

Baseflow in HEC-HMS plays a crucial role in modeling runoff volume, consisting of groundwater flow components like interflow and baseflow. Different approaches are used to model baseflow, with HEC-HMS currently incorporating conceptual methods. The response times for interflow and baseflow differ, i

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Understanding Subbasin Characteristics in HEC-HMS

Subbasin characteristics play a crucial role in hydrological modeling within HEC-HMS. Before computing these characteristics, the basin model must have georeferenced subbasins in the GIS. Various parameters such as basin slope, relief, elongation ratio, drainage density, and flowpath lengths and slo

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Understanding Gage Weights and Precipitation Methods in Hydrologic Modeling

Exploring the concept of gage weights and precipitation methods in hydrologic modeling using the HEC-HMS software. Dive into the pros and cons of flexible gage weighting, calibration processes, and best practices for estimating time and depth weights. Discover how to set up a gage weights model, inc

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Understanding the Colorado Health Insurance Buy-In Program

The Colorado Health Insurance Buy-In Program, presented by HMS, Inc., aims to improve health care equity, access, and outcomes for Coloradans while saving money on health care. By partnering with Health First Colorado, the program offers cost savings, wider provider networks, and coverage of medical

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James Lind's Experiment on Scurvy Treatments: A Historical Analysis

James Lind's 1747 experiment on HMS Salisbury to test scurvy treatments is considered a significant milestone in biomedical science. Despite being a poorly designed study by modern standards, Lind's work paved the way for advancements in understanding and treating scurvy. This analysis delves into L

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Updates on Calorimeter and Cherenkov Detectors in Yerevan Group's SHMS and HMS

Check out the latest updates on the calorimeter and Cherenkov detectors of Yerevan Group's SHMS and HMS. The SHMS detectors are in good shape, while adjustments in HV are needed for the HMS Cherenkov detectors to achieve optimal performance. Images and descriptions are provided in the Elog entries.

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