Lidar Simulation Model: GADS Atmospheric Variables


A record's content is shown for each GADS type below. Sample graphics for various inputs are provided for a specific pressure level.

GADS DATA RECORDS
T106-based GADS Data Record T213-based GADS Data Record
Center of Grid Area Latitude (deg) Center of Grid Area Latitude (deg)
Center of Grid Area Longitude (deg) Center of Grid Area Longitude (deg)
Surface Pressure (mb) Surface Temperature (K)
Surface Altitude (km) Snow Depth (M)
Cloud Cover (0-1) Mean Sea Level Pressure (MB)
Terrain Height Level Index Total Cloud Fraction (0-1)
Tropopause Height Level Index 10 m Horz. Wind U (m/s)
Surface Temperature (k) 10 m Horz. Wind V (m/s)
Surface Dewpoint Temperature (K)(Surface RH example) 2 m Temperature (K)
10 m Horz. Wind U (m/s) 2 m Dew Point Temperature (K)
10 m Horz. Wind V (m/s) Surface Roughness (M)
Convective Precip. (mm/day) Albedo
Geopotential Height Profile (m) Surface Solar Radiation (W/M**2 S)
Temperature Profile (k) Surface Thermal Radiation (W/M**2 S)
Relative Humidity Profile (%) Top Solar Radiation (W/M**2 S)
U Horizontal wind Profile (m/s) Top Thermal Radiation (W/M**2 S)
V Horizontal wind Profile (m/s) East/West Surface Stress (N/M**2 S)
Vertical Velocity Profile (pa/s) North/South Surface Stress (N/M**2 S)
Cloud Percentage Profile (%) Low Cloud Fraction (0-1)
Int. Cloud Percentage Profile I (%) Medium Cloud Fraction (0-1)
Int. Cloud Percentage Profile II (%) High Cloud Fraction (0-1)
Incremental cloud amount (%) Surface Pressure (MB)
Layer Index for a Cirrus Cloud Surface Geopotential Height (M)
Cloud Type Index Temperature Profile (K)
Backscatter Profile (m-1 sr-1) U Horizontal Wind Profile (m/s)
Attenuation Profile (km-1) V Horizontal Wind Profile (m/s)
Cloud Backscatter Prof. (m-1 sr-1) Specific Humidity Profile (KG/KG)
Cloud Attenuation Profile (km-1) Vertical Velocity Profile (Pa/s)
Cloud Liquid Water Content Prof. (KG/KG)
Cloud Fraction Profile (0-1)
Geopotential Height Profile (m)
Backscatter Profile (m-1 sr-1)
Attenuation Profile (km-1)
Cloud Backscatter Prof. (m-1 sr-1)
Cloud Attenuation Profile (km-1)

The T106 profile data has data for the following pressure levels: 1013, 1000, 850, 700, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 10 mb.

The T213 profile data has data for the following pressure levels: 1013, 1000, 996, 988, 979, 969, 958, 957, 935, 922, 894, 850, 830, 800, 750, 700, 650, 600, 550, 500, 450, 400, 350, 300, 250, 200, 150, 100, 70, 50, 30, 10 mb.


This page managed by Sidney A. Wood Last modified: 16 Mar. 1998