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Articles 31 - 39 of 39
Full-Text Articles in Hydrology
A Soil Parameters Geodatabase For The Modeling Assessment Of Agricultural Conservation Practices Effects In The United States, Mauro Di Luzio, Martin L. Norfleet, Jeffrey G. Arnold, Jimmy R. Williams, James R. Kiniry
A Soil Parameters Geodatabase For The Modeling Assessment Of Agricultural Conservation Practices Effects In The United States, Mauro Di Luzio, Martin L. Norfleet, Jeffrey G. Arnold, Jimmy R. Williams, James R. Kiniry
International Journal of Geospatial and Environmental Research
Soil parameters for hydrology modeling in cropland dominated areas, from the regional to local scale, are part of critical biophysical information whose deficiency may increase the uncertainty of simulated conservation effects and predicting potential. Despite this importance, soil physical and hydraulic parameters lack common, wide-coverage repositories combined to digital maps as required by various hydrology-based agricultural water quality models.
This paper describes the construction of a geoprocessing workflow and the resultant hydrology-structured soil hydraulic, physical, and chemical parameters geographic database for the entire United States, named US-SOILM-CEAP. This database is designed to store a-priori values for a suit of models, …
Nebraska’S Natural Resources Districts: An Assessment Of A Large-Scale Locally Controlled Water Governance Framework, Ann Bleed, Christina Hoffman Babbitt
Nebraska’S Natural Resources Districts: An Assessment Of A Large-Scale Locally Controlled Water Governance Framework, Ann Bleed, Christina Hoffman Babbitt
Daugherty Water for Food Global Institute: Faculty Publications
In 1972 the State of Nebraska created the Natural Resources Districts (NRDs) to consolidate a multitude of single-purpose local natural resource districts into a more comprehensive, holistic, and efficient natural resources governance system. While consolidation and efficiency was important, so was the concept of maintaining local control. Thus, Nebraska rejected the governance framework of a single top-down state agency, preferring to create NRDs that are each governed by a locally elected board. The locally elected governing boards of the NRDs were given broad authorities over many of the state’s natural resources, including groundwater. Such a governance structure was, and to …
Sustainability, Efficiency And Equitability Of Water Consumption And Pollution In Latin America And The Caribbean, Mesfin Mekonnen, Markus Pahlow, Maite M. Aldaya, Erika Zarate
Sustainability, Efficiency And Equitability Of Water Consumption And Pollution In Latin America And The Caribbean, Mesfin Mekonnen, Markus Pahlow, Maite M. Aldaya, Erika Zarate
Daugherty Water for Food Global Institute: Faculty Publications
This paper assesses the sustainability, efficiency and equity of water use in Latin America and the Caribbean (LAC) by means of a geographic Water Footprint Assessment (WFA). It aims to provide understanding of water use from both a production and consumption point of view. The study identifies priority basins and areas from the perspectives of blue water scarcity, water pollution and deforestation. Wheat, fodder crops and sugarcane are identified as priority products related to blue water scarcity. The domestic sector is the priority sector regarding water pollution from nitrogen. Soybean and pasture are priority products related to deforestation. We estimate …
Nephrotoxic Contaminants In Drinking Water And Urine, And Chronic Kidney Disease In Rural Sri Lanka, Tewodros Rango, Marc Jeuland, Herath Manthrithilake, Peter G. Mccornick
Nephrotoxic Contaminants In Drinking Water And Urine, And Chronic Kidney Disease In Rural Sri Lanka, Tewodros Rango, Marc Jeuland, Herath Manthrithilake, Peter G. Mccornick
Daugherty Water for Food Global Institute: Faculty Publications
Chronic kidney disease of unknown (“u”) cause (CKDu) is a growing public health concern in Sri Lanka. Prior research has hypothesized a link with drinking water quality, but rigorous studies are lacking. This study assesses the relationship between nephrotoxic elements (namely arsenic (As), cadmium (Cd), lead (Pb), and uranium (U)) in drinking water, and urine samples collected from individuals with and/or without CKDu in endemic areas, and from individuals without CKDu in nonendemic areas. All water samples—from a variety of source types (i.e., shallow and deep wells, springs, piped, and surface water)—contained extremely low concentrations of nephrotoxic elements, and all …
Demonstration Of A Daily High-Resolution (375-M) Alexi Evapotranspiration Product For The Nena Region, Christopher Hain, Martha C. Anderson, Mitch Schull, Christopher M.U. Neale
Demonstration Of A Daily High-Resolution (375-M) Alexi Evapotranspiration Product For The Nena Region, Christopher Hain, Martha C. Anderson, Mitch Schull, Christopher M.U. Neale
Daugherty Water for Food Global Institute: Faculty Publications
While the current constellation of geostationary sensors provides near-global coverage (60N to 60S) – it requires merging data from 7 satellites [resolving time differences; view angles; atmospheric correction]. Polar orbiting sensors such as MODIS and VIIRS provide daily global coverage of LST at higher resolutions than GEO sensors but at only two times per day.
Assessment Of Village Chicken Production Systems In Kambata Tambaro And Wolaita Zones, Snnpr, Ethiopia, Aman Getiso, Fitsum Tessema, Mesfin Mekonnen, Addisu Jimma, Bereket Zeleke
Assessment Of Village Chicken Production Systems In Kambata Tambaro And Wolaita Zones, Snnpr, Ethiopia, Aman Getiso, Fitsum Tessema, Mesfin Mekonnen, Addisu Jimma, Bereket Zeleke
Daugherty Water for Food Global Institute: Faculty Publications
The study was conducted in four woredas (Damot Gale,Of a, Angacha and Hadero Tunto) the first two of them found in Wolaita zone and two of them in Kambata Tambaro Zone of SNNPR, Ethiopia respectively. A cross-sectional survey was conducted in the study areas to assess village chicken production systems, productive and reproductive performance of village chicken and identifying constraints to village chicken production. Stratified random sampling technique was used to select 240 farming households and administer a pre-tested and structured questionnaire. The results showed that the mean age of interviewed farmers was 37.8±9.3 years; average family size & chicken …
Yield Gap Analysis Of Field Crops: Methods And Case Studies, V. O. Sadras, Kenneth Cassman, Patricio Grassini, W. G.M. Bastiaanssen, A. G. Laborte, A. E. Milne, G. Sileshi, P. Steduto
Yield Gap Analysis Of Field Crops: Methods And Case Studies, V. O. Sadras, Kenneth Cassman, Patricio Grassini, W. G.M. Bastiaanssen, A. G. Laborte, A. E. Milne, G. Sileshi, P. Steduto
Daugherty Water for Food Global Institute: Faculty Publications
The challenges of global agriculture have been analysed exhaustively and the need has been established for sustainable improvement in agricultural production aimed at food security in a context of increasing pressure on natural resources. Whereas the importance of R&D investment in agriculture is increasingly recognised, better allocation of limited funding is essential to improve food production. In this context, the common and often large gap between actual and attainable yield is a critical target. Realistic solutions are required to close yield gaps in both small and large scale cropping systems worldwide; to make progress in this direction, we need (1) …
The Active River Area (Corridor), Christine E. Hatch
The Active River Area (Corridor), Christine E. Hatch
Water Fact Sheets
This is a Fact Sheet created by RiverSmart for the Fluvial Geomorphology Task Force defining methods for delineating a river corridor. The “Active River Area,” is defined as the place where hydrologic connectivity, floodplain hydrology, and sediment movement occur along the river corridor.
Drougthscape- Winter 2015, Kelly Smith
Drougthscape- Winter 2015, Kelly Smith
Droughtscape, Quarterly Newsletter of NDMC, 2007-
CONTENTS
Director’s report...........................1
Central U.S. 2012 report..............3
Oct.-Dec. drought summary ........ 4
2014 drought summary................6
Caribbean capacity building ........ 8
Drought impacts in 2014..............9
California timeline 2014.............12
UC Davis ranching workshop .... 14
NASA SMAP data......................16
Global drought info system........17
Community Capitals .................. 18
Evaluation and assessment.......19
Indicator-impact research .........20
NDMC on YouTube....................21