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Application of a watershed runoff model to North‐east Pond River, Newfoundland: to study water balance and hydrological characteristics owing to atmospheric change
Author(s) -
Bobba A. G.,
Singh V. P.,
Jeffries D. S.,
Bengtsson L.
Publication year - 1997
Publication title -
hydrological processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.222
H-Index - 161
eISSN - 1099-1085
pISSN - 0885-6087
DOI - 10.1002/(sici)1099-1085(19971015)11:12<1573::aid-hyp491>3.0.co;2-v
Subject(s) - watershed , environmental science , groundwater recharge , water balance , surface runoff , hydrology (agriculture) , climate change , infiltration (hvac) , hydrological modelling , groundwater , surface water , streamflow , drainage basin , climatology , geology , aquifer , geography , meteorology , environmental engineering , ecology , oceanography , geotechnical engineering , cartography , machine learning , computer science , biology
Abstract The hydrological sensitivities to long‐term climate change of a watershed in Eastern Canada were analysed using a deterministic watershed runoff model developed to simulate watershed acidification. This model was modified to study atmospheric change effects in the watershed. Water balance modelling techniques, modified for assessing climate effects, were developed and tested for a watershed using atmospheric change scenarios from both state of the art general circulation models and a series of hypothetical scenarios. The model computed daily surface, inter‐ and groundwater flows from the watershed. The moisture, infiltration and recharge rate are also computed in the soil reservoirs. The thirty years of simulated data can be used to evaluate the effects of climatic change on soil moisture, recharge rate and surface and subsurface flow systems. The interaction between surface and subsurface water is discussed in relation to climate change. These hydrological results raise the possibility of major environmental and socioeconomic difficulties and have significant implications for future water resource planning and management. © 1997 John Wiley & Sons, Ltd.