?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Foar.icrisat.org%2F2302%2F&rft.title=Hydrological+Characterization+of+Benchmark+Agricultural+Watersheds++in+India%2C+Thailand%2C+and+Vietnam.+Global+Theme+3%3A+Water%2C+Soil%2C+and+Agrobiodiversity+Management+for+Ecosystem+Health+Report+no.+2%0D%0A%0D%0A&rft.creator=Pathak%2C+P&rft.creator=Wani%2C+S+P&rft.creator=Singh%2C+P&rft.creator=Sudi%2C+R&rft.creator=Srinivasa+Rao%2C+Ch&rft.subject=Watershed+Management&rft.subject=Agriculture-Farming%2C+Production%2C+Technology%2C+Economics&rft.description=ICRISAT%E2%80%99s+intervention+in+the+project+%E2%80%9CImproving+Management+of+Natural+Resources+for+Sustainable%0D%0A+Rainfed+Agriculture%E2%80%9D+funded+by+the+Asian+Development+Bank+aims+to+increase+the+productivity+and%0D%0A+sustainability+of+the+medium+and+high+water-holding+capacity+soils+in+the+intermediate+rainfall+ecoregion+of%0D%0A+India%2C+Thailand%2C+and+Vietnam.+To+implement+this+project+ICRISAT+selected+five+benchmark+watersheds++three+in+India%2C+one+in+Thailand%2C+and+one+in+Vietnam+%E2%80%93+to+introduce+improved+crop+production+and+natural%0D%0A+resource+management+technologies.+This+work+was+carried+out+over+three+years+(1999%E2%80%932001)+and+promising%0D%0A+results+have+been+obtained+on+crop+productivity+gains+as+well+as+efficient+use+and+conservation+of+natural%0D%0A+resources.+This+report+focuses+on+the+impact+of+various+watershed+technologies+on+the+surface+and%0D%0A+groundwater+hydrology+of+the+watersheds+at+all+the+five+benchmark+sites.+The+information+on+topography%2C%0D%0A+rainfall%2C+runoff%2C+groundwater%2C+and+other+relevant+data+were+collected+and+analyzed.+The+hydrological+data%0D%0A+from+the+five+benchmark+watersheds+clearly+show+the+effectiveness+of+improved+watershed+technologies+in%0D%0A%0D%0Areducing+runoff+volume+and+peak+runoff+rate+and+improving+availability+of+groundwater.+The+highest+runoff%0D%0A+volume+of+433+mm+(51%25+of+seasonal+rainfall)+was+recorded+from+the+Tad+Fa+watershed+in+Thailand%2C+while%0D%0A+the+lowest+runoff+volume+of+55+mm+(7%25+of+seasonal+rainfall)+was+recorded+from+the+Adarsha+watershed+in%0D%0A+Kothapally%2C+India.+The+highest+peak+runoff+rate+of+0.235+m3+s-1+ha-1+was+recorded+from+the+untreated%0D%0A+watershed+at+Kothapally.+Among+the+three+sites+in+India%2C+the+highest+runoff+was+recorded+at+Lalatora%0D%0A+watershed+in+Madhya+Pradesh.+The+highest+contribution+of+seasonal+rainfall+to+groundwater+was+recorded+at%0D%0A+Lalatora+watershed+(270+mm+or+29%25+of+seasonal+rainfall).+The+hydrological+behavior+and+data+reported+in%0D%0A+this+report+will+be+useful+in+the+planning%2C+design%2C+development%2C+and+management+of+natural+resources+in+the%0D%0A+target+regions.%0D%0A&rft.publisher=International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+&rft.date=2002&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Foar.icrisat.org%2F2302%2F1%2FHydrological_characterization_of_benchmark_agricultural_watersheds_in_India%252C_Thailand%252C_and_Vietnam.pdf&rft.identifier=++Pathak%2C+P+and+Wani%2C+S+P+and+Singh%2C+P+and+Sudi%2C+R+and+Srinivasa+Rao%2C+Ch++(2002)+Hydrological+Characterization+of+Benchmark+Agricultural+Watersheds+in+India%2C+Thailand%2C+and+Vietnam.+Global+Theme+3%3A+Water%2C+Soil%2C+and+Agrobiodiversity+Management+for+Ecosystem+Health+Report+no.+2.++Monograph.+International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+%2C+Patancheru%2C+Andhra+Pradesh%2C+India.+++++