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Joint UK Land Environment Simulator (JULES) Version 2.2 User Manual

By Douglas Clark, Phil Harris, Matt Pryor and Margaret Hendry

Abstract

The Joint UK Land Environment Simulator (JULES) is a computer model that simulates many soil and vegetation processes. This document describes how to run version 2.2 of JULES. It primarily describes the format of the input and output files, and does not include detailed descriptions of the science and representation of the processes in the model.\ud The first version of JULES was based on the Met Office Surface Exchange System (MOSES), the land surface model used in the Unified Model (UM) of the UK Met Office. After that initial split, the MOSES and JULES code bases evolved separately, but with JULES2.1 these differences were reconciled, so that all versions since v2.1 have had identical code in both the standalone version (as described here) and in the UM

Topics: Meteorology and Climatology, Hydrology
Publisher: NERC/Centre for Ecology & Hydrology
Year: 2010
OAI identifier: oai:nora.nerc.ac.uk:12756

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Citations

  1. (1998). An improved method for the estimation of surface roughness of obstacle arrays. doi
  2. (1999). Eq.61 Typical value=0.83 beta2 real Coupling coefficient for co-limitation in photosynthesis model.
  3. (1999). Eq.62 Typical value=0.93 fwe_c3 real Constant in expression for limitation of photosynthesis by transport of products, for C3 plants.
  4. (1996). Example: Hourly averages starting at midnight 1st
  5. (1999). fwe_c4 real Constant in expression for limitation of photosynthesis by transport of products, for C4 plants. This is 2.0×104

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