Results 51 to 60 of about 1,812,137 (388)

The hydrologic behavior of agricultural watersheds

open access: yesEos, Transactions American Geophysical Union, 1944
During the past decade there has been much discussion, pro and con, with regard to the effects of agricultural operations upon the amount and regimen of runoff from watersheds. The problem becomes highly involved on large watersheds, because they are made up of various complexes of soil, cover, topography, and other edaphic features.
openaire   +2 more sources

A weather generator for hydrological, ecological, and agricultural applications [PDF]

open access: yesWater Resources Research, 2007
This paper presents a weather generator that allows simulation of hydrometeorological variables representative of a given geographic location: precipitation, total cloud cover, incoming shortwave radiation, air temperature, humidity, and wind speed. The approach captures the essential relationships among the quantities of interest, while modeling the ...
Valeriy Y. Ivanov   +4 more
openaire   +3 more sources

Agriculture, Hydrology and Water Quality.

open access: yesVadose Zone Journal, 2004
P.M. HAYGARTH and S.C. JARVIS (ed.) CABI Publishing, CAB International, Wallingford, Oxon OX10 8DE, UK. 2002. Hardbound, 502 p. $149.00. ISBN 0-85199-545-4. This book aims to take a holistic science perspective towards agricultural land management and its impacts on downstream water quality ...
openaire   +2 more sources

Socio-hydrology of “artificial glaciers” in Ladakh, India: assessing adaptive strategies in a changing cryosphere

open access: yesRegional Environmental Change, 2018
The consequences of even small glacier decrease and changes of seasonal snow cover are critical for the functioning of meltwater-dependent mountain agriculture.
M. Nüsser   +4 more
semanticscholar   +1 more source

Internet of Things‐Based Framework Application at a University Campus Scale: Linking Smart Monitoring Systems and Stormwater Management

open access: yesAdvanced Intelligent Discovery, EarlyView.
This study presents an Internet of Things‐based stormwater monitoring framework piloted at the University of Maryland campus to support Municipal Separate Stormwater Sewer System compliance and adaptive planning. Developed with key campus stakeholders, the framework integrates real‐time sensor deployment, data‐informed insights on runoff and water ...
Qianyao Si   +16 more
wiley   +1 more source

Long-term fish assemblages of the Ohio River: Altered trophic and life history strategies with hydrologic alterations and land use modifications.

open access: yesPLoS ONE, 2019
Long-term monitoring of species assemblages provides a unique opportunity to test hypotheses regarding environmentally induced directional trajectories of freshwater species assemblages.
Mark Pyron   +5 more
doaj   +1 more source

SARchaeological Prospection: Synthetic Aperture Radar for the Reconstruction and Mapping of Temperate Floodplain Environments

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Temperate river floodplains present a significant challenge for archaeologists, as cultural and palaeoenvironmental remains are often difficult to locate but can be exceptionally well preserved, especially where groundwater levels are high. In these alluvial environments, the deposition of thick, fine‐grained sediments has potential to deeply ...
Nicholas Crabb   +3 more
wiley   +1 more source

Improving crop condition monitoring using phenologically aligned vegetation index anomalies – A case study in central Iowa

open access: yesInternational Journal of Applied Earth Observations and Geoinformation
Timely monitoring of crop conditions is essential for optimizing and assessing agricultural management. Vegetation indices (VIs) derived from remote sensing data can be useful for assessing crop conditions on a large spatial scale.
Haoteng Zhao   +4 more
doaj   +1 more source

A new and integrated hydro-economic accounting and analytical framework for water resources: A case study for North China [PDF]

open access: yes, 2008
Water is a critical issue in China for a variety of reasons. China is poor of water resources with 2300 m3 of per capita availability, which is less than of the world average. This is exacerbated by regional differences; e.g.
Brown   +37 more
core   +1 more source

Performance of Drought Indices for Ecological, Agricultural, and Hydrological Applications [PDF]

open access: yesEarth Interactions, 2012
Abstract In this study, the authors provide a global assessment of the performance of different drought indices for monitoring drought impacts on several hydrological, agricultural, and ecological response variables. For this purpose, they compare the performance of several drought indices [the standardized precipitation index (SPI ...
Vicente Serrano, Sergio M.   +8 more
openaire   +2 more sources

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