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Use of historical data as a decision support tool in watershed management: a case study of the Upper Nilwala Basin in Sri Lanka

Watershed analysis provides a framework for ecosystem management, which is currently the best option for conservation and management of natural resources. The current methods of assessing hydrologic impacts of land use transformation at the watershed scale, particularly in the tropics, are impaired...

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Main Authors: Elkaduwa, W.K.B., Sakthivadivel, Ramaswamy
Format: Informe técnico
Language:Inglés
Published: International Water Management Institute 1999
Subjects:
watershed management
hydrology
land use
flow
catchment areas
water balance
case studies
runoff
water yield
rainfall-runoff relationships
forestry
decision support tools
data collection
Online Access:https://hdl.handle.net/10568/39812
Summary:Watershed analysis provides a framework for ecosystem management, which is currently the best option for conservation and management of natural resources. The current methods of assessing hydrologic impacts of land use transformation at the watershed scale, particularly in the tropics, are impaired by technical, financial and time constraints. This study provides an alternative approach to ascertain the actual changes in hydrologic response of a particular watershed to land use transformations made in the past.

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