Hydrology Days - CSU Conference Proceedings and Events
Each year the American Geophysical Union Hydrology Days meeting brings together water scientists, researchers and students to discuss the current state of the science and latest water-related research findings. This digital collection includes proceedings programs and papers.
Recent Submissions
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Hydrology Days, March 27-29, 2019 - Student showcase: hydrology is for everyone! - conference program
The 39th Annual American Geophysical Union Hydrology Days meeting provides a unique opportunity for students, faculty, staff and practitioners to engage in wide range of water-related interdisciplinary research topics. In ... -
Use of the Manning Equation for predicting the discharge of high-gradient canals and natural streams
The Manning Equation is used to predict stream or canal discharge from hydraulic radius, slope of the water surface, and a Manning roughness coefficient. Jarrett (1984) proposed that, for high-gradient streams (S > 0.002), ... -
Uncertainty in flood routing: diffuse wave models by fuzzy set theory approach
Impacts caused by flood routing affect families, economic activities, public and private systems. Impacts and economic losses has increased considerably, because these areas, in general, there is a growing concentration ... -
Estimation of soil erosion risk of the Euphrates river watershed using RUSLE model, remote sensing and GIS techniques
The average annual soil erosion is the main problem of natural water resources and the agriculture, the most dominant factor that effect on the soil erosion is water. The aim of this study was estimated the average annual ... -
Research on characteristics of groundwater recharge in Weishan Irrigated District based on bromide tracer
It is of great theoretical and practical significance to determine the vertical infiltration recharge of groundwater by Bromide tracer technology, which reveals the spatial variation rule of groundwater recharge and improves ... -
Distribution of velocities in a cross section using the logD method: application to a cross section of the Wainiha River
The logD method distributes velocities across a transect (cross section) uses the equation v = C√Sd log(α(d / k)). In the equation d is the depth at a location in the cross section, S is the slope, α is an empirical ... -
Fifty years observing issues in hydrology and water resources engineering - abstract
Abstract of award lecture "Fifty years observing issues in hydrology and water resources engineering" given on March 20, 2018 by Stephen J. Burges, winner of the 2018 Hydrology Days Award. -
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Long-term context for snow water equivalent trends in Rocky Mountain National Park, A
The seasonal snowpack in Rocky Mountain National Park is critical to the local and downstream water supply and the ecosystem of the park, and is important for winter recreational opportunities. Recent regional studies of ... -
State politics, water supply, and systems engineering
Tarrant Regional Water District (TRWD) was established in 1924 with two primary missions – flood control and water supply in and around Tarrant County, Texas. TRWD's current 11 county service area population of 1.8 million ... -
Two 1970's methods for prescribing instream flow regimens
At the beginning of the decade of the 1970's it was clear that unless an instream flow regimens was quantified the need for an instream flow. Three 1970's methods are reviewed: 1) a method based on the characteristics of ... -
Climate and humans as amplifiers of hydro-ecologic change: science and policy implications for intensively managed landscapes - abstract
Abstract of award lecture "Climate and humans as amplifiers of hydro-ecologic change: science and policy implications for intensively managed landscapes " given on March 21, 2017 by Efi Foufoula-Georgiou, winner of the ... -
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Adapting subsurface drip irrigation system to deficit irrigation: proceedings of Hydrology Days 2016
Subsurface drip irrigation (SDI) is a type of drip irrigation with buried pipe lines so that water is applied directly to the root zone and under soil surface. SDI systems have high application efficiency but need high ... -
Water and energy cycles coupling diagnosed from remotely sensed global observations - abstract
Abstract of award lecture "Water and energy cycles coupling diagnosed from remotely sensed global observations" given on March 22, 2016 by Dara Entekhabi, winner of the 2016 Hydrology Days Award. -
Conceptual framework for the use of machine learning for the synthesis of stream discharge - gage height rating curves, A
The objective of this research is to use machine learning for the synthesis of stream discharge – gage height rating curves from easily measurable hydrogeologic parameters. A machine learning algorithm would require as ... -
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Model Optimization, Uncertainty, and SEnsitivity analysis (MOUSE) toolbox: overview and application, The
For several decades, optimization and sensitivity/uncertainty analysis of environmental models has been the subject of extensive research. Although much progress has been made and sophisticated methods developed, the growing ... -
Towards a new classification of rivers based on generic gage height - discharge rating curves for low-cost estimation of stream discharge
The objective of this research is to classify rivers based upon generic gage height-discharge rating curves so as to reduce the number of measurements required for rating curve development. The first step has been ... -
On grain roughness in rivers and streams
An effective approach to estimate the Manning's roughness in a river is to select a grain roughness value of Manning's n for the bed material and then add other components of roughness to the grain roughness. The grain ...
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