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Host large images remotely
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mkavulich committed Jul 19, 2023
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6 changes: 3 additions & 3 deletions physics/docs/pdftxt/CLM_LAKE.txt
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Expand Up @@ -36,7 +36,7 @@ in the UFS SRW App, is capable of capturing the effect of lakes on regional heat
Lake depths for the RRFS lake configuration (Fig.1) are assigned from a global dataset provided by Kourzeneva et al.(2012) \cite Kourzeneva_2012,
this dataset is referred to as GLOBv3 bathymetry in the UFS_UTL.

\image html Lake_depths_RRFS3km.png "Figure 1: Lake depths for lakes in the 3-km RRFS domain." width=600
@image html https://user-images.githubusercontent.com/12705538/250180794-76af93a2-a7ba-4e9a-9478-5657198862b8.png "Figure 1: Lake depths for lakes in the 3-km RRFS domain." width=600

To cold-start the CLM lake model in the UFS SRW App:
- Use the CLM option in the input.nml
Expand All @@ -48,8 +48,8 @@ To cold-start the CLM lake model in the UFS SRW App:
- Lake ice at the top level is initialized from the GFS ice concentration

The differences of surface variables from the experimental RRFS 6-h forecast with/without CLM lake model are shown in Figure 2 for 2-m temperature and in Figure 3 for 2-m dewpoint.
\image html diff_t2m_lake_rrfs.png "Figure 2: Differences of 2-m temperature between the RRFS coupled to the CLM model and the RRFS without CLM." width=600
\image html diff_td2m_lake_rrfs.png "Figure 3: Differences of 2-m dew point between the RRFS coupled to the CLM model and the RRFS without CLM." width=600
@image html https://user-images.githubusercontent.com/12705538/250180790-63159300-33f6-4b34-9e9c-b65885213c30.png "Figure 2: Differences of 2-m temperature between the RRFS coupled to the CLM model and the RRFS without CLM." width=600
@image html https://user-images.githubusercontent.com/12705538/250180787-8fc9a820-5f80-4f06-b50a-88b2d20ebc53.png "Figure 3: Differences of 2-m dew point between the RRFS coupled to the CLM model and the RRFS without CLM." width=600



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4 changes: 2 additions & 2 deletions physics/docs/pdftxt/RUCLSM.txt
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Expand Up @@ -43,7 +43,7 @@ to determine the uncertainty range for the selected parameters in the RUC LSM.

## RUC LSM characteristics that differ from Noah LSM:
\image html ruc_lsm_veg_soil.png "Figure 1: RUC LSM Vegetation and Soil Model (Courtesy of T.G. Smirnova) " width=900
\image html ruc_ranking.png "Figure 2: Model ranking as a function of normalized root mean square error of snow water equivalent and surface temperature (Courtesy of C. Menard)" width=900
@image html https://user-images.githubusercontent.com/12705538/250180784-d50a3d4c-93db-4d8d-b12d-2c0ca22da5c3.png "Figure 2: Model ranking as a function of normalized root mean square error of snow water equivalent and surface temperature (Courtesy of C. Menard)" width=900
- \b Implicit \b solution of energy and moisture budgets in the layer spanning the ground surface
- \b 9 \b soil \b levels with high vertical resolution near surface
RUC LSM has more levels in soil than \ref GFS_NOAH model with higher resolution near the interface with the atmosphere
Expand Down Expand Up @@ -80,7 +80,7 @@ Snow forms additional two layers on top of soil in RUC LSM
\image html ruc_lsm_mosaic.png "Figure 4: 'Mosaic' approach for patchy snow (Courtesy of T.G. Smirnova) " width=900
- New: additional options to compute snow cover fraction (\p isncovr_opt =2 and 3, Niu and Yang (2007) \cite Niu_2007). These options allowed to reduce overprediction of number of grid cells fully covered with snow which further reduced cold-biases over snow. Figure 5 demonstrates that option 3 of snow cover fraction computation (\p isncovr_opt = 3) in the UFS-based regional model matches better the satellite data for the test case on 6 February 2022.
- New: added an option to use of a new formulation of snow thermal conductivity (\p isncond_opt = 2, Sturm et al. (1997) \cite sturm_1997);
\image html sncov_rrfs_ruc.png "Figure 5: Snow cover fraction from MODIS (a,b), Regional UFS-based system (RRFS) original (c), and modified with isncover_opt=3 (d), 6 February 2022. (Courtesy of T.G. Smirnova)" width=900
@image html https://user-images.githubusercontent.com/12705538/250180782-925303ec-7751-4d7e-be8f-b3f1323f35d4.png "Figure 5: Snow cover fraction from MODIS (a,b), Regional UFS-based system (RRFS) original (c), and modified with isncover_opt=3 (d), 6 February 2022. (Courtesy of T.G. Smirnova)" width=900
- Iterative snow melting algorithm;
- Density of snow on the ground - a function of compaction parameter and snow depth and temperature;
- Snow albedo - a function of temperature and snow fraction;
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