Draft Table of Contents
TABLE OF CONTENTS Estimated Completion
1. INTRODUCTION
1.1 MODEL HISTORY AND OVERVIEW K. Oleson DONE
1.1.1 History K. Oleson DONE
1.1.2 Surface Heterogeneity and Data Structure K. Oleson DONE
1.1.3 Biogeophysical Processes K. Oleson DONE
1.2 MODEL REQUIREMENTS DONE
1.2.1 Atmospheric Coupling K. Oleson DONE
1.2.2 Initialization K. Oleson DONE
1.2.3 Surface Data P. Lawrence/D. Lawrence DONE
1.2.4 Adjustable Parameters and Physical Constants K. Oleson DONE
2. ECOSYSTEM COMPOSITION AND STRUCTURE DONE
2.1 VEGETATION COMPOSITION P. Lawrence DONE
2.2 VEGETATION STRUCTURE P. Lawrence DONE
2.3 PHENOLOGY P. Lawrence/K. Oleson DONE
3. SURFACE ALBEDOS DONE
3.1 CANOPY RADIATIVE TRANSFER K. Oleson/G. Bonan DONE
3.2 GROUND ALBEDOS K. Oleson/M. Flanner/P. Lawrence DONE
3.2.1 Snow Albedo K. Oleson/M. Flanner DONE
3.2.2 Snowpack Optical Properties K. Oleson/M. Flanner DONE
3.2.3 Snow Aging K. Oleson/M. Flanner DONE
3.3 SOLAR ZENITH ANGLE K. Oleson DONE
4. RADIATIVE FLUXES DONE
4.1 SOLAR FLUXES K. Oleson/G. Bonan DONE
4.2 LONGWAVE FLUXES K. Oleson DONE
5. MOMENTUM, SENSIBLE HEAT, AND LATENT HEAT FLUXES K. Oleson DONE
5.1 MONIN-OBUKHOV SIMILARITY THEORY K. Oleson DONE
5.2 SENSIBLE AND LATENT HEAT FLUXES FOR NON-VEGETATED SURFACES K. Oleson DONE
5.3 SENSIBLE AND LATENT HEAT FLUXES AND TEMPERATURE FOR VEGETATED SURFACES K. Oleson DONE
5.3.1 Theory K. Oleson DONE
5.3.2 Numerical Implementation K. Oleson DONE
5.4 UPDATE OF GROUND SENSIBLE AND LATENT HEAT FLUXES K. Oleson DONE
5.5 SATURATION VAPOR PRESSURE K. Oleson DONE
6. SOIL AND SNOW TEMPERATURES DONE
6.1 NUMERICAL SOLUTION K. Oleson/M. Flanner DONE
6.2 PHASE CHANGE K. Oleson/M. Flanner DONE
6.3 SOIL AND SNOW THERMAL PROPERTIES D. Lawrence DONE
7. HYDROLOGY
7.1 CANOPY WATER K. Oleson DONE
7.2 SNOW
7.2.1 Ice Content K. Oleson/M. Flanner DONE
7.2.2 Water Content K. Oleson/M. Flanner DONE
7.2.3 Black and Organic Carbon and Mineral Dust Within Snow K. Oleson/M. Flanner DONE
7.2.4 Initialization of snow layer K. Oleson DONE
7.2.5 Snow Compaction K. Oleson/D. Lawrence DONE
7.2.6 Snow Layer Combination and Subdivision K. Oleson/D. Lawrence DONE
7.2.6.1 Combination K. Oleson/D. Lawrence DONE
7.2.6.2 Subdivision K. Oleson/D. Lawrence DONE
7.3 SURFACE RUNOFF AND INFILTRATION K. Oleson/S. Swenson DONE
7.4 SOIL WATER K. Oleson/S. Swenson DONE
7.4.1 Hydraulic Properties K. Oleson/S. Swenson/D. Lawrence DONE
7.4.2 Numerical Solution K. Oleson/S. Swenson DONE
7.4.2.1 Equilibrium soil matric potential and volumetric moisture K. Oleson/S. Swenson DONE
7.4.2.2 Equation set for layer i=1 K. Oleson/S. Swenson DONE
7.4.2.3 Equation set for layers i=2,...,Nlevsoi-1 K. Oleson/S. Swenson DONE
7.4.2.4 Equation set for layers i=Nlevsoi,Nlevsoi+1 K. Oleson/S. Swenson DONE
7.5 GROUNDWATER-SOILWATER INTERACTIONS K. Oleson/S. Swenson DONE
7.6 RUNOFF FROM GLACIERS, WETLANDS, AND SNOW-CAPPED SURFACES K. Oleson/D. Lawrence DONE
8. STOMATAL RESISTANCE AND PHOTOSYNTHESIS G. Bonan DONE
9. LAKE MODEL K. Oleson DONE
9.1 SURFACE FLUXES AND SURFACE TEMPERATURE K. Oleson DONE
9.2 LAKE TEMPERATURES K. Oleson DONE
9.3 LAKE HYDROLOGY K. Oleson/D. Lawrence DONE
10. DUST MODEL S. Levis DONE
11. RIVER TRANSPORT MODEL (RTM) D. Lawrence DONE
12. BIOGENIC VOLATILE ORGANIC COMPOUNDS (BVOCs) S. Levis DONE
13. URBAN MODEL (CLMU) K. Oleson DONE
14. CARBON NITROGEN (CN) and CN-DV MODELS P. Thornton DONE
15. DYNAMIC LANDCOVER CHANGE P. Lawrence/D. Lawrence/K. Oleson DONE
16. OFFLINE CLM - ATMOSPHERIC FORCING K. Oleson/D. Lawrence DONE
17. REFERENCES K. Oleson DONE
CLM4.0 Technical Note Tasks
- Incorporate CLM3.5 document into CLM3.0 technical note
- canopy interception section 7.1 DONE
- surface and subsurface runoff - but with CLM4 modifications section 7.3 DONE and 7.5 DONE
- groundwater and water table depth - but with CLM4 modifications section 7.5 DONE
- supercooled soil water section 6.2 DONE, 7.4 DONE
- soil moisture stress function - stomatal open/close section 8 DONE
- nitrogen limitation factors in non-CN mode section 8 DONE
- Thornton-Zimmermann canopy integration scheme section 4.1 DONE and 8 DONE
- Change to freezing temperature constant section 1.2.4 DONE
- forcing height at atm plus z0+d on each tile section 1.2.1 DONE
- Effective porosity divide by zero fix section 7.3 DONE
- X. Zeng sparse/dense canopy aerodynamic parameters section 5.3.1 DONE
- Stability formulations - never implemented
- ground/snow emissivity section 4.2 DONE
- organic soil section 1.2.3 DONE, 6.3 DONE, 7.4.1 DONE
- init h2osoi=0.3 section 1.2.2 DONE
- snow compaction fix section 7.2.5 DONE
- snow T profile during layer splitting fix section 7.2.6 DONE
- snow burial fraction section 2.3 DONE
- snow cover fraction section 3.2 DONE
- SNICAR (snow aging, black carbon and dust deposition, vertical distribution of solar energy) section 3.2 DONE, 6.1 DONE, 7.2.3 DONE
- remove SNOWAGE, no longer used section 3.2 DONE
- deep soil (15 layers), including changes for bed rock throughout DONE
- Koichi ground evap (beta), stability, and litter resistance section 5.2 DONE, 5.3 DONE
- Swenson organic/mineral soil hydraulic conductivity percolation theory section 7.4.1 DONE
- Zeng/Decker Richards equation modifications section 7.4 DONE
- normalization of frozen fraction of soil formulation section 7.3 DONE, 7.4 DONE
- Swenson one-step solution for soil moisture and qcharge section 7.4 DONE
- changes to rsub_max for drainage and decay factor for surface runoff section 7.3 DONE, 7.4 DONE
- description of new forcing data? fixed diurnal cycle section 16 DONE
- back to old lakes and wetlands datasets, but 1% rather than 5% threshold (same for glacier) section 1.2.3 DONE
- changes to pft physiology file from CN section 8 DONE
- possible changes to surface dataset due to CN? section 1.2.3 DONE
- new grass optical properties section 1.2.3 DONE
- new surface dataset from Peter Lawrence assuming no herbaceous understory section 1.2.3 DONE
- direct versus diffuse radiation offline section 16 DONE
- new VOC model (MEGAN) section 12 DONE
- modification to solar radiation penetration through snow (no solar to soil if snowdp<0.1m) section 6 DONE
- new RTM rdirc file and change to QCHANR definition section 7.6 DONE and 11 DONE
- snow-capped runoff goes to ice stream section 7.2.1 DONE, 7.6 DONE and 11 DONE
- dust model always on, LAI threshold parameter change from 0.1 to 0.3 section 10 DONE
- daylength control on vcmax section 8 DONE
- SAI and get_rad_dtime fix ?
- MAXPATCH_PFT=17 section 1.1.2 DONE, 1.2.3 DONE
- Bug fix in lake model; use beta*sabg rather than sabg in calculation of lake surface T - never implemented DONE
- dynamic land use mode - datasets, energy and water balance section 15 DONE
- RTM sub-cycling section 11 - CLM User's Guide
- soil evaporation calculation based on PFT demand section 5.3 DONE
- finemesh capability? Not documented DONE
- twostream bug fix section 3.1 DONE
- soil colors section 3.2 DONE
- 2m relative humidity section 5.1 DONE
- fix for aquifer leak (SoilHydrologyMod, BalanceCheckMod) section 7.5 DONE
- new nitrogen deposition file (units and sum of NOx, NHy) section 1.2.3 DONE, 14 DONE