Approach

1
High resolution land surface parameters for the
Community Land Model

• Objective
• A high resolution dataset of land surface
  parameters for regional and global high
  resolution application of the Community Land
  Model (CLM)

Global distribution of number of subgrid PFTs
within each 0.5 degree grid cell from the new
(left) and CLM4.0 (right) data

• Approach
• Develop a global 0.05 degree resolution data of
  Plant Functional Types (PFTs), vegetation
  properties such as Leaf Area Index (LAI), Stem
  Area Index (SAI), and nonvegetated land covers
  using the most recent MODIS land cover and
  improved MODIS LAI products
• Compare the new data with the current CLM4.0 data
  at 0.5 degree resolution
• Demonstrate the use of the high resolution data
  in a coupled regional simulation based on the
  Weather Research and Forecasting (WRF) model and
  CLM

• Impact
• A new high resolution dataset of land surface
  parameters derived from the most recent remote
  sensing products is now available for high
  resolution applications of CLM globally
• The new parameters resolve more diverse subgrid
  PFTs within each 0.5 degree grid cell and show
  more contributions from shrub, grass, and crop as
  opposed to bare soil compared to the current
  CLM4.0 data

Ke Y, LR Leung, M Huang, AM Coleman, H Li, and MS
Wigmosta. 2012. Development of High Resolution
Land Surface Parameters for the Community Land
Model. Geoscientific Model Development
513411362. DOI10.5194/gmd-5-1341-2012