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Sensitivity of Hydrological Variables in the Northeast Pond River Watershed, Newfoundland, Canada, Due to Atmospheric Change

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  • A. Bobba
  • Dean Jeffries
  • Vijay Singh

Abstract

Watershed runoff modelling techniques were developed and applied for assessing climatic impacts, and tested for a watershed in the Northeast Pond River basin using atmospheric-change scenarios from a series of hypothetical scenarios. Results of this research strongly suggest that possible changes in temperature and precipitation caused by increases in atmospheric trace-gas concentrations could have major impacts on both the timing and magnitude of runoff and soil moisture in important natural resources areas. Of particular importance are predicted patterns of summer soil-moisture drying that are consistent across the entire range of tested scenarios. The decreases in summer soil moisture range from 10 to 50% for different scenarios. In addition, consistent changes were observed in the timing of runoff – specifically dramatic increases in winter runoff and decreases in summer runoff. These hydrologic results raise the possibility of major environmental and socio-economic difficulties and they will have significant implications for future water-resource planning and management. Copyright Kluwer Academic Publishers 1999

Suggested Citation

  • A. Bobba & Dean Jeffries & Vijay Singh, 1999. "Sensitivity of Hydrological Variables in the Northeast Pond River Watershed, Newfoundland, Canada, Due to Atmospheric Change," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 13(3), pages 171-188, June.
    • Handle: RePEc:spr:waterr:v:13:y:1999:i:3:p:171-188
    DOI: 10.1023/A:1008194330621
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    Cited by:

    1. Pallavi Chattopadhyay & Nimisha Vedanti & V. Singh, 2015. "A Conceptual Numerical Model to Simulate Aquifer Parameters," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(3), pages 771-784, February.
    2. Md. Islam & Toshiya Aramaki & Keisuke Hanaki, 2005. "Development and Application of an Integrated Water Balance Model to Study the Sensitivity of the Tokyo Metropolitan Area Water Availability Scenario to Climatic Changes," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 19(4), pages 423-445, August.

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