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Lower Mississippi River - Overbank water column (2017-20)
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Type: Resource
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Created: Feb 16, 2025 at 4:21 a.m.
Last updated: Mar 17, 2025 at 2:18 p.m.
Published date: Mar 17, 2025 at 2:18 p.m.
DOI: 10.4211/hs.321ed1fe68864f62b10c067ac11e84f5
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Content types: Single File Content 
Sharing Status: Published
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Abstract

This resource includes overbank water levels and temperatures at 3 floodplain sites along the Lower Mississippi River downstream of Natchez, Mississippi, between October 2017 and November 2020. Overbank conditions are captured for three major floods, including the longest duration flood (2019) in recorded history along the Mississippi River. These time-series data of overbank water levels and temperatures are derived from Onset Hobo U20 pressure and temperature sensors deployed at 3 sites in the Lower Mississippi River floodplain between October 2017 and November 2020. Additionally, in-situ water quality data and depth-integrated samples were collected from the overbank water column during major flood conditions at multiple floodplain sites in March 2019 and June 2019. Water-quality measurements and laboratory analyses of suspended sediment, carbon, and nutrients are also provided in this resource. This resource is associated with an article in Journal of Hydrology titled 'Inundation mechanisms and overbank water quality along the Lower Mississippi River during the major floods of 2018, 2019, and 2020' (Heitmuller et al., 2025).

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
31.5395°
East Longitude
-91.3909°
South Latitude
31.0325°
West Longitude
-91.6765°

Temporal

Start Date:
End Date:

Content

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Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
The Nature Conservancy Nutrient, carbon, and sediment dynamics in an embanked floodplain system along the Lower Mississippi River in Adams and Wilkinson Counties, Mississippi MSG–1903
U.S. Army Engineer Research and Development Center Sediment management for compound flood hazards in fluvial systems (Tasks 1–5) W912HZ-21-C-006
Geological Society of America Hydrologic dynamics and floodplain sedimentation along the Lower Mississippi River embanked corridor near Natchez, Mississippi, during water year 2018

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Leiden University
Kent Ozment U.S. Fish & Wildlife Service

How to Cite

Heitmuller, F., P. F. Hudson, J. Costello, K. Kuehn (2025). Lower Mississippi River - Overbank water column (2017-20), HydroShare, https://doi.org/10.4211/hs.321ed1fe68864f62b10c067ac11e84f5

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

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

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