Update canfrac

README.md

@@ -158,7 +158,7 @@ The Canopy-App input data in [Table 2](#table-2-canopy-app-required-input-variab
 | `ch`                             | Canopy height (m)                    | Globally extended GEDI data. Data Period=2020. Data frequency=Annual. ([Lang et al., 2023](https://doi.org/10.1038/s41559-023-02206-6)) |
 | `clu`                            | Canopy clumping index (dimensionless)       | GriddingMachine/MODIS. Data Period=2001-2017 Climatology. Data frequency=Monthly. ([Wei et al., 2019](https://doi.org/10.1016/j.rse.2019.111296)). Extended globally for high latitudes using methods described [here](https://gmuedu-my.sharepoint.com/:w:/g/personal/whung_gmu_edu/EdglXmW2kzBDtDj1xV0alGcB1Yo2I8hzdyWGVGB2YOTfgw). |
 | `lai`                            | Leaf area index (m2/m2)                     | VIIRS-NPP. Data Period=2020. Data frequency=Daily, interpolated from original 8-day product. ([Myneni 2018](https://doi.org/10.5067/VIIRS/VNP15A2H.001)). Extended globally for high latitudes using methods described [here](https://gmuedu-my.sharepoint.com/:w:/g/personal/whung_gmu_edu/EdglXmW2kzBDtDj1xV0alGcB1Yo2I8hzdyWGVGB2YOTfgw). |
-| `canfrac`                          | Canopy fraction (dimensionless)             | Based on [VIIRS GVF-NPP](https://www.star.nesdis.noaa.gov/jpss/gvf.php). Data Period=2020. Data frequency=Monthly. |
+| `canfrac`                          | Canopy fraction (dimensionless)             | Based on [MODIS VCF](https://doi.org/10.5067/MODIS/MOD44B.061). Data Period=2020. Data frequency=Annual. Extended globally for high latitudes using methods described [here](https://gmuedu-my.sharepoint.com/:w:/g/personal/whung_gmu_edu/EdglXmW2kzBDtDj1xV0alGcB1Yo2I8hzdyWGVGB2YOTfgw). |
 | `pavd`                           | Plant area volume density (m2/m3)           | [GEDI product from North Arizona University](https://goetzlab.rc.nau.edu/index.php/gedi/). Data Period=201904-202212 Climatology. Data frequency=Annual. Three dimensional structure of plant area volume density with 14 vertical layers from the surface (0 m) to 70 m above ground level. Data at each layer represents the average pavd within certain height range (e.g. 0 - 5 m for first layer). |
 | `lev`                            | Height AGL for levels associated with optional pavd (or other canopy profile) inputs (m)                                  | Same as for GEDI PAVD (or other canopy profile inputs) above                                    |
 | **Other External Variables**     | **Variable Description and Units**          | **Data Source/Reference (if necessary)**           |

input/point_file_20220630.sfcf023.txt

@@ -1,2 +1,2 @@
 lat,lon,ch,ugrd10m,vgrd10m,clu,lai,vtype,canfrac,fricv,csz,sfcr,mol,frp,href,sotyp,pressfc,dswrf,shtfl,tmpsfc,tmp2m,spfh2m,hpbl,prate_ave,soilw1,soilw2,soilw3,soilw4,wilt
-34.03,272.11,20.8692,-0.7485,0.3286,0.5214,3.7059,4,0.5124,0.1107,0.0416,0.8260,12.2366,0.0000,10.00,3,99731.6094,10.1607,-9.8159,292.9766,293.2202,0.0146,14.0288,0.0001,0.2591,0.2053,0.2134,0.2132,0.0470
+34.03,272.11,20.8692,-0.7485,0.3286,0.5214,3.7059,4,0.8815,0.1107,0.0416,0.8260,12.2366,0.0000,10.00,3,99731.6094,10.1607,-9.8159,292.9766,293.2202,0.0146,14.0288,0.0001,0.2591,0.2053,0.2134,0.2132,0.0470

input/point_file_20220701.sfcf000.txt

@@ -1,2 +1,2 @@
 lat,lon,ch,ugrd10m,vgrd10m,clu,lai,vtype,canfrac,fricv,csz,sfcr,mol,frp,href,sotyp,pressfc,dswrf,shtfl,tmpsfc,tmp2m,spfh2m,hpbl,prate_ave,soilw1,soilw2,soilw3,soilw4,wilt
-34.03,272.11,20.8692,0.1580,0.8375,0.5105,3.6504,4,0.5124,0.1548,0.2357,0.8260,-181.1201,0.0000,10.00,3,99809.6719,122.7623,1.8252,294.9718,294.9180,0.0157,85.5025,0.0000,0.2487,0.2256,0.2283,0.2307,0.0470
+34.03,272.11,20.8692,0.1580,0.8375,0.5105,3.6504,4,0.8815,0.1548,0.2357,0.8260,-181.1201,0.0000,10.00,3,99809.6719,122.7623,1.8252,294.9718,294.9180,0.0157,85.5025,0.0000,0.2487,0.2256,0.2283,0.2307,0.0470

input/point_file_20220701.sfcf001.txt

@@ -1,2 +1,2 @@
 lat,lon,ch,ugrd10m,vgrd10m,clu,lai,vtype,canfrac,fricv,csz,sfcr,mol,frp,href,sotyp,pressfc,dswrf,shtfl,tmpsfc,tmp2m,spfh2m,hpbl,prate_ave,soilw1,soilw2,soilw3,soilw4,wilt
-34.03,272.11,20.8692,-0.0656,0.8462,0.5105,3.6504,4,0.5124,0.1866,0.4319,0.8260,-16.3281,0.0000,10.00,3,99854.1172,336.8927,35.6389,296.9243,296.5100,0.0162,234.9751,0.0000,0.2477,0.2259,0.2283,0.2307,0.0470
+34.03,272.11,20.8692,-0.0656,0.8462,0.5105,3.6504,4,0.8815,0.1866,0.4319,0.8260,-16.3281,0.0000,10.00,3,99854.1172,336.8927,35.6389,296.9243,296.5100,0.0162,234.9751,0.0000,0.2477,0.2259,0.2283,0.2307,0.0470