File:EPA diver samples Mississippi Delta near Philipp, MS (7461511038).jpg

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EPA diver Mel Parsons at the Tippo Bayou sampling station in the Mississippi Delta near Philipp, MS in August, 2011.

In what looks more like pea soup, this diver was helping to collect 'Sediment Oxygen Demand' information. Sediment oxygen demand refers to how much oxygen is being used by organisms and plants in the sediment. Oxygen within the sediment underwater normally accounts for 40-70% of the oxygen used within a body of water.

EPA uses these measurements to better understand the overall health of bodies of water. It provides precise environmental information for 'total maximum daily load' (TMDL) studies which help to inform water pollution regulations.

EPA information about impaired water quality and TMDLs
Date
Source EPA diver samples Mississippi Delta near Philipp, MS
Author USEPA Environmental-Protection-Agency
Camera location33° 45′ 52.15″ N, 90° 14′ 14.2″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Public domain
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
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This image was originally posted to Flickr by usepagov at https://flickr.com/photos/24400159@N05/7461511038. It was reviewed on 1 October 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

1 October 2016

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current06:06, 1 October 2016Thumbnail for version as of 06:06, 1 October 20162,048 × 1,536 (1.73 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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