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PI: Stephen H. Bullock - Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California
DataManager: Alejandro Cueva - El Colegio de la Frontera Sur
Technician: Eulogio López-Reyes - Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California
Lat, Long: 32.0298, -116.6045
Elevation(m): 409
Network Affiliations: AmeriFlux, MexFlux
Vegetation IGBP: CSH (Closed Shrublands: Lands with woody vegetation less than 2 meters tall and with shrub canopy cover >60%. The shrub foliage can be either evergreen or deciduous.)
Climate Koeppen: Bsh (Steppe: very cold winter)
Mean Annual Temp (°C): 17
Mean Annual Precip. (mm): 281
Flux Species Measured: CO2, H, H2O
Years Data Collected: 2008 - Present
Years Data Available:

AmeriFlux BASE 2015 - 2017   Data Citation

Data Use Policy:AmeriFlux Legacy Policy
The vegetation is Mediterranean-climate closed shrubland on sandy soils. Eddy flux measurements began in 2008, 20 years after the last wildfire. The site ...
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Research Topics:
1) Comparison of NEEef and NPPmod17a. 2) Comparison of GPP ef (Reco fide Reichstein et al. 2005) and GPPmod17a. 3) Parameterize and elucidate mechanisms ...
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Site Photo More Site Images
Image Credit: Stephen Bullock, 11//2008
Copyright preference: As long as credit is given
Site Publication More Site Publications

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

DOI(s) for citing MX-EMg data

Data Use Policy: AmeriFlux Legacy Policy

  • AmeriFlux BASE:
    Citation: Alejandro Cueva, Eulogio López-Reyes, Stephen H. Bullock (2020), AmeriFlux BASE MX-EMg El Mogor, Ver. 1-5, AmeriFlux AMP, (Dataset).

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



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Note: Results are the number of downloads to distinct data users. The Download Count column indicates the number of times the data user downloaded the data. The Version column refers to the version of the data product for the site that was downloaded by the data user.

Year Range

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Year Publication
2021 Díaz de León-Guerrero, S., Méndez-Alonzo, R., Bullock, S.H. & Vivoni, E.R. (2021) Hydrological and topographic determinants of biomass and species richness in a Mediterranean-climate shrubland, PloS One, 16(5), .
2020 Cueva, A., Bullock, S. H., Méndez‐Alonzo, R., López‐Reyes, E., Vargas, R. (2020) Foliage Senescence As A Key Parameter For Modeling Gross Primary Productivity In A Mediterranean Shrubland, Journal Of Geophysical Research: Biogeosciences, .
2017 Cueva, A., Bullock, S. H., López-Reyes, E., Vargas, R. (2017) Potential Bias Of Daily Soil Co2 Efflux Estimates Due To Sampling Time, Scientific Reports, 7(1), .
2016 Villarreal, S., Vargas, R., Yepez, E. A., Acosta, J. S., Castro, A., Escoto-Rodriguez, M., Lopez, E., Martínez-Osuna, J., Rodriguez, J. C., Smith, S. V., Vivoni, E. R., Watts, C. J. (2016) Contrasting Precipitation Seasonality Influences Evapotranspiration Dynamics In Water-Limited Shrublands, Journal Of Geophysical Research: Biogeosciences, 121(2), 494-508.
2014 Leon, E., Vargas, R., Bullock, S., Lopez, E., Panosso, A. R., La Scala, N. (2014) Hot Spots, Hot Moments, And Spatio-Temporal Controls On Soil Co2 Efflux In A Water-Limited Ecosystem, Soil Biology And Biochemistry, 77, 12-21.
2016 Cueva, A. H., Bullock, S. H., López Reyes, E. & Vargas, R (2016) La influencia de sequía y humedad anormales en el intercambio neto de carbono en un matorral semiárido, Estado Actual del Conocimiento del Ciclo del Carbono y sus Interacciones en México: Síntesis a 2016, 37-42.

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.

Wind Roses

Click an image below to enlarge it, or use the navigation panel.
  • Image scale: 861m x 861m
  • 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
    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
    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