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US-LA2: Salvador WMA Freshwater Marsh

Tower_team:
PI: Eric Ward ericward@umd.edu - University of Maryland
PI: Melinda Martinez melindamartinez@usgs.gov - US Geological Survey
DataManager: Sergio Merino smerino@usgs.gov - USGS-Wetland and Aquatic Research Center
Lat, Long: 29.8587, -90.2869
Elevation(m): —
Network Affiliations: AmeriFlux
Vegetation IGBP: WET (Permanent Wetlands: Lands with a permanent mixture of water and herbaceous or woody vegetation that cover extensive areas. The vegetation can be present in either salt, brackish, or fresh water)
Climate Koeppen: Cfa (Humid Subtropical: mild with no dry season, hot summer)
Mean Annual Temp (°C): 20.2
Mean Annual Precip. (mm): 1655
Flux Species Measured: CO2, CH4, N2O, H2O
Years Data Collected: 2011 - Present
Years Data Available:

AmeriFlux BASE 2011 - 2022   Data Citation
Data Use Policy:AmeriFlux CC-BY-4.0 Policy1
Description: Fresh floatant Marsh, high organic, Davis Pond freshwater diversion, microtidal
URL: —
Research Topics: Annual carbon and water fluxes, chamber/EC comparison
Acknowledgment: Funding for this research was provided by Louisiana Coastal Protection and Restoration Authority, USGS South Central Climate Adaptation Science Center, USGS Climate and Land Use Change R&D Program, and USGS LandCarbon Program. We thank the Louisiana Department of Wildlife and Fisheries for allowing access to study sites. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Site Tasks
  1. This site’s data can also be used under the more restrictive AmeriFlux Legacy Policy.
    The AmeriFlux Legacy Policy must be followed if this site’s data are combined with data from sites that require the AmeriFlux Legacy Policy.
Site Photo More Site Images
Image Credit: Melinda Martinez, 06/27/2013
Copyright preference: Request for permission
Site Publication More Site Publications

US-LA2: Salvador WMA Freshwater Marsh

Use the information below for citation of this site. See the Data Policy page for more details.

DOI(s) for citing US-LA2 data

Data Use Policy: AmeriFlux CC-BY-4.0 License

This site’s data can also be used under the more restrictive AmeriFlux Legacy Policy.
The AmeriFlux Legacy Policy must be followed if US-LA2 data are combined with data from sites that require the AmeriFlux Legacy Policy.

  • AmeriFlux BASE: https://doi.org/10.17190/AMF/1543387
    Citation: Eric Ward, Sergio Merino, Camille Stagg, Ken Krauss (2023), AmeriFlux BASE US-LA2 Salvador WMA Freshwater Marsh, Ver. 3-5, AmeriFlux AMP, (Dataset). https://doi.org/10.17190/AMF/1543387

To cite BADM when downloaded on their own, use the publications below for citing site characterization. When using BADM that are downloaded with AmeriFlux BASE and AmeriFlux FLUXNET products, use the DOI citation for the associated data product.

Publication(s) for citing site characterization

    —

Acknowledgments

    —

Resources

US-LA2: Salvador WMA Freshwater Marsh

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US-LA2: Salvador WMA Freshwater Marsh

US-LA2: Salvador WMA Freshwater Marsh

BADM for This Site

Access the Biological, Ancillary, Disturbance and Metadata (BADM) information and data for this site.

BADM contain information for many uses, such as characterizing a site’s vegetation and soil, describing disturbance history, and defining instrumentation for flux processing. They complement the flux/met data.

* Online updates are shown on the Overview tab real time. However, downloaded BADM files will not reflect those updates until they have been reviewed for QA/QC.

US-LA2: Salvador WMA Freshwater Marsh

Wind Roses

Click an image below to enlarge it, or use the navigation panel.
  • Image scale: 880m x 880m
  • Data Collected:
    • Wind roses use variables ‘WS’ and ‘WD’.
    Download Data Download Wind Rose as Image File (PNG)

    Wind Speed (m/s)

  • Graph Type
  • Wind Speed Scale
  • Wind Direction Scale (%)
  • Show Satellite Image
  • Show Wind Rose
    • Annual Average
    About Ameriflux Wind Roses
    Wind Rose Explanation
    A wind rose gives a succinct view of how wind speed and direction are typically distributed at a particular location. Presented in a circular format, a wind rose shows the frequency and intensity of winds blowing from particular directions. The length of each “spoke” around the circle indicates the amount of time (frequency) that the wind blows from a particular direction. Colors along the spokes indicate categories of wind speed (intensity). Each concentric circle represents a different frequency, emanating from zero at the center to increasing frequencies at the outer circles
    Utility
    This information can be useful to gain insight into regions surrounding a flux tower that contribute to the measured fluxes, and how those regions change in dependence of the time of day and season. The wind roses presented here are for four periods of the year, and in 16 cardinal directions. Graphics are available for all sites in the AmeriFlux network based on reported wind measurements at each site.
    Data from each site can be downloaded by clicking the ‘download’ button.
    Hover the cursor over a wind rose to obtain directions, speeds and intensities.
    Note that wind roses are not equivalent to flux footprints. Specifically, the term flux footprint describes an upwind area “seen” by the instruments measuring vertical turbulent fluxes, such that heat, water, gas and momentum transport generated in this area is registered by the instruments. Wind roses, on the other hand, identify only the direction and speed of wind.
    Where do these data come from?
    The wind roses are based on observed hourly data from the sites registered with the AmeriFlux Network.
    Parameters for AmeriFlux Wind Roses
    To use wind roses for a single AmeriFlux site, the following parameters may be most useful:
    • Wind Speed Scale: Per Site
    • Wind Direction Scale (%): Per Site
    To compare wind roses from more than one single AmeriFlux site, the following parameters may be most useful:
    • Wind Speed Scale: Non-Linear
    • Wind Direction Scale (%): AmeriFlux
    Mar - Jun; 6am - 6pm
    Mar - Jun; 6pm - 6am
    Jun - Sep; 6am - 6pm
    Jun - Sep; 6pm - 6am
    Sep - Dec; 6am - 6pm
    Sep - Dec; 6pm - 6am
    Dec - Mar; 6am - 6pm
    Dec - Mar; 6pm - 6am