Climate Variability and Its Impact on Forest Hydrology on South Carolina Coastal Plain, USA

Abstract

Understanding the changes in hydrology of coastal forested wetlands induced by climate change is fundamental for developing strategies to sustain their functions and services. This study examined 60 years of climatic observations and 30 years of hydrological data, collected at the Santee Experimental Forest (SEF) in coastal South Carolina. We also applied a physically-based, distributed hydrological model (MIKE SHE) to better understand the hydrological responses to the observed climate variability. The results from both observation and simulation for the paired forested watershed systems indicated that the forest hydrology was highly susceptible to change due to climate change. The stream flow and water table depth was substantially altered with a change in precipitation. Both flow and water table level decreased with a rise in temperature. The results also showed that hurricanes substantially influenced the forest hydrological patterns for a short time period (several years) as a result of forest damage.

  • Citation: Dai, Zhaohua; Amatya, Devendra M; Sun, Ge; Trettin, Carl C.; Li, Changsheng; Li, Harbin 2011. Climate Variability and Its Impact on Forest Hydrology on South Carolina Coastal Plain, USA. Atmosphere 2:330-357.
  • Keywords: climate change, stream flow, water table, hydrologic response, wetland, eco-hydrology
  • Posted Date: September 27, 2011
  • Modified Date: October 4, 2011
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