Nitrate removal across ecogeomorphic zones in Wax Lake Delta, Louisiana (USA) Supplemental Data


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Created: May 18, 2020 at 1:20 p.m.
Last updated: May 18, 2020 at 11:35 p.m.
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Abstract

To understand the spatial distribution of nitrate removal in a river-dominated delta, we deployed 23 benthic chambers across ecogeomorphic zones with varying elevation, vegetation and sediment properties in Wax Lake Delta (Louisiana, USA) in June 2018. Regression analyses indicate that NDVI, a remotely sensed vegetation index, is a useful predictor of summertime nitrate removal. On average, potential removal rates were approximately three times greater on a vegetated submerged levee (13 mm hr-1), where NDVI was greatest, compared to other locations (4.6 mm hr-1). To protect coastal waters against high nitrate loads, management policies should aim to reduce upstream nutrient loads.

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
29.5191°
East Longitude
-91.4336°
South Latitude
29.4624°
West Longitude
-91.4514°

Temporal

Start Date:
End Date:

Content

How to Cite

Knights, D. (2020). Nitrate removal across ecogeomorphic zones in Wax Lake Delta, Louisiana (USA) Supplemental Data, HydroShare, http://www.hydroshare.org/resource/13841cb93b504bfc8f3e20f403cd2eda

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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