Estimation of surface heat fluxes and evapotranspiration using community land model

  • Juan Du
  • , Chaoshun Liu
  • , Runhe Shi
  • , Shijie Shu
  • , Wei Gao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Land surface heat and water fluxes are key components of water and energy cycles between land and atmosphere. Information about these surface fluxes can guide agricultural production and environmental preservation, and manage different ecosystems to mitigate climate change. The main objective of this work is to estimate the surface heat fluxes and evapotranspiration. For this purpose, the Community Land Model Version 3 was used, atmospheric forcing data and flux observation were extracted from AmeriFlux standardized Level 2 database, then surface heat fluxes under two different underlying surfaces were modeled. The results showed that the model works well regarding the simulation of daily surface fluxes and diurnal surface fluxes although these values were underestimated relative to the values observed from eddycovariance. After validation, evapotranspiration was chosen as the indicator for specific comparison. CLM3.0 showed a better performance in simulating the moisture and evapotranspiration.

Original languageEnglish
Title of host publicationRemote Sensing and Modeling of Ecosystems for Sustainability X
PublisherSPIE
ISBN (Print)9780819497192
DOIs
StatePublished - 2013
EventRemote Sensing and Modeling of Ecosystems for Sustainability X - San Diego, CA, United States
Duration: 26 Aug 201329 Aug 2013

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8869
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceRemote Sensing and Modeling of Ecosystems for Sustainability X
Country/TerritoryUnited States
CitySan Diego, CA
Period26/08/1329/08/13

Keywords

  • Community Land Model
  • Evapotranspiration
  • Latent heat flux
  • Sensible heat flux
  • Underlying surface

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