Biogeophysical Impacts of Land Surface on Regional Climate in Central Vietnam

  • Ngoc Bich Phuong Nguyen
  • Harald Kunstmann
  • Patrick Laux
  • Johannes Cullmann
Conference paper
First Online:

Abstract

The biogeophysical impacts of land surface on regional climate have been investigated for the Vu Gia-Thu Bon basin in Central Vietnam using the regional climate model (RCM) Weather Research and Forecasting (WRF) Model. The replacement of land surface due to an updated land-use/land cover data leads to change the biogeophysical properties of land surface, thereby altering the regional climate. Results show that generally surface air temperatures increase by about 0.5 ∘C over the basin. Remarkable increases in surface air temperatures are about 2 ∘C appearing in cities. Annual precipitation decreases by about 800 mm over the Western basin and increases by about 1500 mm over the Southern basin. In general, if roughness length decreases (increases), horizontal wind speed and average maximum Convective Available Potential Energy (CAPE) increase (decrease) by about 1 ms−1 and 20 JKg−1.

Keywords

Heat Flux Latent Heat Flux Mixed Forest Roughness Length Surface Heat Flux 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Notes

Acknowledgements

This research is funded by the Federal Ministry of Education and Research (research project: Land Use and Climate Change Interactions in Central Vietnam (LUCCi), reference number 01LL0908C). The provision of CPU and storage capacities at Karlruhe Institute of Technology (KIT), Steinbuch Centre for Computing (SCC) and Karlruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-IFU) is highly acknowledged.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Ngoc Bich Phuong Nguyen
    • 1
  • Harald Kunstmann
    • 2
  • Patrick Laux
    • 2
  • Johannes Cullmann
    • 3
  1. 1.IHP/HWRP Secretariat, Federal Institute of HydrologyKoblenzGermany
  2. 2.Karlsruhe Institute of Technology (KIT)Institute for Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU)Garmisch-PartenkirchenGermany
  3. 3.Climate and Water DepartmentWorld Meteorological OrganizationGeneva 2Switzerland

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