ArcGIS Assignment 1
Geospatial Data Analysis for Hydrological Modelling

Var Catchment Analysis using GIS

Pages: Assignment - StepByStep - Results

Result Tables

Catchment geometry (black: 300m resolution, blue: 75 resolution)

value / sub catchment Tinee Upper Var Esteron Vesubie Lower Var
area [km**2] 750,40
747,47		1087,01
1090,22 		447,16
450,80		393,35
393,39 		153,83
151,73
longest flow path [km] 63,97
70,92		85,48
87,58 		57,02
61,86		44,93
48,10 		29,87
37,32
avg. slope [m/m] in % 38,54
53,27		32,06
44,97 		26,47
37,91		37,19
53,61 		21,22
31,29

Landuse

area contribution land use <-> sub-catchment in [km**2]
value / sub catchment Tinee Upper Var Esteron Vesubie Lower Var
forest  254,42 392,21 277,00 196,41 49,30
semi-natural  480,99 655,52 136,21 176,61 49,31
agricultural  5,38 34,04 31,86 12,56 32,34
artificial surfaces  1,50 2,28 1,56 1,98 14,82
water bodies  0,25 0,00 0,00 0,06 3,09
wetlands  0,00 1,62 0,09 0,00 0,00

Soil Type Data

area contribution soil type <-> sub-catchment in [km**2]
value / sub catchment Tinee Upper Var Esteron Vesubie Lower Var
clay loam  82,77 239,28 74,91 61,15 16,79
loam  597,63 787,45 358,40 319,94 132,02
sandy clay loam  51,91 37,56 2,05 12,26 2,56
sandy loam  9,94 13,46 2,30 0,00 2,20
silt loam  8,14 6,74 9,12 0,00 0,00
silty clay loam  0,00 2,53 0,39 0,00 0,00

Rainfall Gauges

area contribution Thiessen polygons <-> sub-catchment in [km**2]
gauge / sub catchment Tinee Upper Var Esteron Vesubie Lower Var
Carros 0,00 0,00 10,88 0,00 94,11
Levens 14,57 18,59 45,91 48,22 59,71
Roquesteron 0,02 73,87 203,82 0,00 0,00
Puget 0,40 416,81 186,54 0,00 0,00
Guillaumes 394,22 568,16 0,00 0,00 0,00
St Martin 341,16 9,55 0,00 345,12 0,00