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USGS 07381600 Lower Atchafalaya River at Morgan City, LA

PROVISIONAL DATA SUBJECT TO REVISION

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Data are tidally affected--Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84-hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from October 1992 to September 2015.

07295100 Mississippi River at Tarbert Landing, MS
310552091361200 Mississippi River at Coochie, LA
07381482 Old River Outflow Channel below Hydropower Channel
07381490 Atchafalaya River at Simmesport, LA
07381600 Lower Atchafalaya River at Morgan City, LA
07381590 Wax Lake Outlet at Calumet, LA
310408091424500 Red River above Old River Outflow Channel above Simmesport, LA

 

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This station managed by the Baton Rouge Field Office.

Available Parameters Available Period
All 10 Available Parameters for this site
  
00010 Temperature, water 2014-12-09  2017-06-24
00060 Discharge 1995-10-01  2017-06-24
00065 Gage height 2007-10-01  2017-06-24
00095 Specific cond at 25C 2014-12-09  2017-06-24
00300 Dissolved oxygen 2014-12-09  2017-06-24
00400 pH 2014-12-09  2017-06-24
00480 Salinity 2014-12-17  2017-06-24
63680 Turbidity, Form Neph 2014-12-09  2017-06-24
72255 Mean water velocity 2017-02-24  2017-06-24
99133 NO3+NO2,water,insitu 2014-12-09  2017-06-24

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Summary of all available data for this site
Instantaneous-data availability statement


Temperature, water, degrees Celsius

Most recent instantaneous value: 27.2 06-24-2017   09:00 CDT
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Discharge, cubic feet per second

Most recent instantaneous value: Eqp 06-24-2017   09:00 CDT
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Daily discharge, cubic feet per second -- statistics for Jun 24 based on 18 years of record more
Most Recent
Instantaneous
Value Jun 24
Min
(2012)
25th
percen-
tile
Mean Median 75th
percen-
tile
Max
(2011)
-- unavailable -- 39200 97400 140000 150000 177000 219000


Gage height, feet

Most recent instantaneous value: Eqp 06-24-2017   09:00 CDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 355 06-24-2017   09:00 CDT
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 4.0 06-24-2017   09:00 CDT
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 06-24-2017   09:00 CDT
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Salinity, water, unfiltered, parts per thousand

Most recent instantaneous value: 0.2 06-24-2017   09:00 CDT
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Most recent instantaneous value: 32.5 06-24-2017   09:00 CDT
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Mean water velocity for discharge computation, feet per second

Most recent instantaneous value: 2.88 06-24-2017   09:00 CDT
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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

Most recent instantaneous value: 1.09 06-24-2017   09:00 CDT
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