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Update ch_thresh and cf_thresh
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angehung5 authored Feb 5, 2024
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Expand Up @@ -212,8 +212,8 @@ You can also [generate global inputs using Python (see python/global_data_proces
| `modres` | above and below canopy model vertical resolution (m) |
| | **Contiguous canopy model thresholds** |
| `lai_thresh` | user-set real value of LAI threshold for contiguous canopy (m2/m2) |
| `frt_thresh` | user-set real value of forest fraction threshold for contiguous canopy |
| `fch_thresh` | user-set real value of canopy height threshold for contiguous canopy (m) |
| `cf_thresh` | user-set real value of canopy fraction threshold for contiguous canopy |
| `ch_thresh` | user-set real value of canopy height threshold for contiguous canopy (m) |
| | **Canopy crop and shrub/savanna/grass extension options** |
| `ssg_opt` | integer for using either input data (= `0`, default) or user set shrub/savanna/grass (SSG) vegetation type heights from namelist (= `1`). Currently, GEDI FCH input data may not provide canopy heights for very low-lying vegetation such as SSG, and thus FCH=0. This is important for options such as biogenic emissions, as this would then not have any emissions for these areas. Warning: use of ssg_opt=1 will overide potential observations of FCH from GEDI for low-lying SSG (at higher spatial resolution) and cover larger areas of lower resolution vegtype data indicating SSG. |
| `ssg_set` | user-set real value of constant SSG vegetation type heights (m) (only used if `ssg_opt=1`). We recommend setting this to a low value, e.g., ssg_set=0.5 or 1.0 (meters) when `ssg_opt=1` |
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