HydroBASINS lev08 watershed · #4080018110
Bassin de คลองใหญ่
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 9 administrative regions : Ban Bung, Ban Khai, Bang Lamung, K. Nikhom Pattan, Muang Rayong +4
Sub-basin area
1 701,4km²
Upstream area
1 701,7km²
Discharge
25,95m³/s
Mean elev.
81m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 541.8 km²32.0% of basin
- 390.3 km²23.0% of basin
- 232.8 km²13.7% of basin
- 190.2 km²11.2% of basin
- 174.4 km²10.3% of basin
- 100.5 km²5.9% of basin
- 62.9 km²3.7% of basin
- 1.1 km²0.1% of basin
1 moreFull L2 list
- Ban Bung0.9 km² · 0.1%
1 intersecting protected areas
Khao Khiew - Khao Chomphu
IUCN IaWildlife Sanctuary
19.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
825 distinct species · 8 663 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,9°C
Annual rain
1 371mm
Moisture idx (CMI)
-0,12
Runoff
626mm/an
PET
1 556mm
AET
1 044mm
Mean slope
2,5°
Water table
147cm
Forest
1%
Crops
43%
Urban
12%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)