Changes between Initial Version and Version 1 of CCM


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Timestamp:
Feb 10, 2010 11:06:28 AM (15 years ago)
Author:
celine
Comment:

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  • CCM

    v1 v1  
     1== Describing the CCM layers == 
     2 
     3gid:: 
     4  id (corresponds to line number) 
     5wso1_id:: 
     6  id of the primary catchment drained by the river segment. 
     7wso_id:: 
     8  id of the Sea-outlet to which the river segment belongs. 
     9rvr_id:: 
     10 reference of the name of the river to which the segment belongs (often 0) 
     11fromnode:: 
     12 upstream node  
     13tonode:: 
     14 downstream node 
     15strahler:: 
     16 the stream order hierarchy, the sizes range from a first order stream to the largest a 11th order stream 
     17pfafstette:: 
     18 Pfafstetter code (?) of the river segment and its primary catchment 
     19nextdownid:: 
     20 next segment identifyer downstream points to wso_id 
     21longpath:: 
     22 identifies wether the river segment is part of the longest flow path in the River Basin (sea-outlet), Y(es) or NULL 
     23maindrain_:: 
     24 ? 
     25maindrain1:: 
     26 ? 
     27length:: 
     28 length of a river segment in meters 
     29cum_len:: 
     30 cumulated length of the upstream flow network, including the river segment itself (longest route ?)-in meters 
     31pixels_100:: 
     32 area directly drained by the river segment (area of the primary catchment), in 100m*100m grid-cells 
     33catchment_:: 
     34 ? 
     35cont_pixel:: 
     36 area upstream of the From Node drained by the river segment in 100m*100m grid-cells 
     37drain_km2:: 
     38 full area drained by the river segment and upstream area - in square kilometres 
     39alt_gradie:: 
     40 relief Energy of the river segment : ((Elevation at From Node-Elevation at ToNode)/Segment Length)*100 in per cent 
     41burned:: 
     42 percentage grid-cells of the river segment having a high confidence level with respect to its geographical position   confidence:: 
     43 percentage of grid-cells of the river segment having a high confidence level with respect to its geographical position 
     44window:: 
     45 here 2003 
     46shape_leng:: 
     47 ? 
     48the_geom:: 
     49 the_geom  
     50 
     51 
     52== Comparison BDCarthage (green) - CCM (red) from different views == 
     53 
     54[[Image(source:data/Docs/trac/Comparaison BDCarthage CCM Vue3.jpg)]] 
     55[[Image(source:data/Docs/trac/Comparaison BDCarthage CCM Vue 2.jpg)]]