NDLI: Characterizing the effects of irrigation in the middle east and north africa using remotely sensed vegetation and water cycle observations

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Characterizing the effects of irrigation in the middle east and north africa using remotely sensed vegetation and water cycle observations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Beaudoing, Hiroko Rodell, Matthew Bolten, John
Copyright Year	2012
Description	A majority of the countries in the Middle East and North Africa (MENA) region suffer from water scarcity due in part to widespread rainfall deficits, unprecedented levels of water demand, and the inefficient use of renewable freshwater resources. Since a majority of the water withdrawal in the MENA is used for irrigation, there is a desperate need for improved understanding of irrigation practices and agricultural water use in the region. Here, satellite-derived irrigation maps and crop-type agricultural data are applied to the Land Data Assimilation System for the MENA region (MENA LDAS), designed to provide regional, gridded fields of hydrological states and fluxes relevant for water resources assessments. Within MENA-LDAS, the Catchment Land Surface Model (CLSM) simulates the location, timing, and amount of water applied through agricultural irrigation practices over the region from 2002-2012. In addition to simulating the irrigation impact on evapotranspiration, soil moisture, and runoff, we also investigate regional changes in terrestrial water storage (TWS) observed from the Gravity Recovery and Climate Experiment (GRACE) and simulated by CLSM.
File Size	224153
Page Count	1
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20120016303
Archival Resource Key	ark:/13960/t2p60k24g
Language	English
Publisher Date	2012-01-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Gravitation Soil Moisture Fresh Water Africa Satellite Observation Farm Crops Earth Surface Remote Sensing Middle East Drainage Land Management Vegetation Water Resources Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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