Chang Jiang Basin
Station: Gongtan


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Gongtan (2181400) Basin Name: Chang Jiang
River Name: Wujiang Next Downstream Station:Yichang (2181600)
GRDC Country Code: CI Distance to Next Downstream Station: 680 km
Start Year [Month]: 1939 [2] Upstream Station(s): None
End Year [Month]: 1982 [12]
Mean Discharge: 1142 m3/s
Minimum Discharge: 6 m3/s
Maximum Discharge: 5520 m3/s Length of Upstream Mainstem: 655 km
Mean Interstation Discharge: 1142 m3/s Distance to Basin Outlet: 2018 km
GRDC Catchment Area: 58300 km2 STN Catchment Area: 52125 km2
GRDC Interstation Area: 58300 km2 STN Interstation Area: 52125 km2
GRDC Station Runoff: 618 mm/yr STN Station Runoff: 691 mm/yr
GRDC Interstation Runoff: 618 mm/yr STN Interstation Runoff: 691 mm/yr
Station Field DescriptionsBasin Field Descriptions


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Site Descriptor Information Station Time Series Data


Hydrograph Station Data
Extreme Values Over Period Of Record
Month MeanQ
m3/s
MinQ
m3/s
MaxQ
m3/s
Jan 323.1 190.0 565.0
Feb 331.0 200.0 845.0
Mar 414.3 210.0 1050.0
Apr 819.2 79.0 2030.0
May 1732.8 310.0 2520.0
Jun 2626.8 870.0 5060.0
Jul 2187.2 827.0 5520.0
Aug 1670.7 383.0 4370.0
Sep 1363.8 388.0 3560.0
Oct 1108.4 362.0 3070.0
Nov 722.5 6.0 1470.0
Dec 409.7 155.0 816.0