Dissolved carbon dioxide within aquatic areas of Doñana Natural Area (2010-2011)

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Título:	Dissolved carbon dioxide within aquatic areas of Doñana Natural Area (2010-2011)
Autor:	Huertas, I. Emma CSIC ORCID ; Morris, Edward P. CSIC ORCID
Palabras clave:	Donana Natural Area wetland pond lake Carbon dioxide pH total alkalinity temperature salinity phosphate Dissolved silica wind velocity Flood area
Fecha de publicación:	31-may-2013
Citación:	Dissolved carbon dioxide within aquatic areas of Doñana Natural Area (2010-2011) [Dataset], 2013
Resumen:	This data set includes recently published data used to calculate air-water carbon dioxide fluxes within aquatic areas of Doñana Natural Area, SW Spain (Long: -6.373, Lat: 36.932, Datum:WSG84) between March 2010 and 2011.
Descripción:	This data set includes measurements of water samples collected from 11 water bodies (n = 6 to 12 per water body) between March 2010 and March 2011 within Doñana Natural Area. Geographic coordinates of sampling positions and a Google Earth .kml file are provided. Approximately every 30 days in situ water conductivity (converted to salinity), temperature and pH were measured using a multi-probe (YSI-6920V2, YSI Incorporated, Yellow Springs, Ohio, USA) and filtered water samples were collected for laboratory analysis of dissolved phosphate, silica (using a Skalar San++ 215 Continuous Flow Analyser) and total alkalinity (using a Metrohm 794 Titroprocessor following the method described by Mintrop et al. 2000). Dissolved carbon dioxide partial pressure was calculated from pH and total alkalinity using co2sys.xls (Pierrot et al., 2000) with the dissociation constants for carbon and sulphate of (Cai and Wang 1998) and (Dickson 1990), respectively. Carbon dioxide partial pressure in air and daily-ensemble-averaged horizontal wind velocity at 10 m above the land surface were provided by the ICTS Doñana Scientific Reserve (ICTS-2009-39) and are included to allow calculations of air-water fluxes. Estimates of the areal extent of the water bodies derived via remote sensing (DEIMOS-1 and Landsat 5 TM sensors) within each wetland region of Doñana Natural Area are included to allow up-scaling of fluxes to regional air-water carbon transport rates. A Google Earth .kml file delineating the wetland regions is provided and a Google Earth .kmz file showing an indication of the aggregate water coverage derived from the DEIMOS-1 sensor (8 images between Aug 2010 and Sept. 2011) is included to allow qualitative visualization of the areal extent and duration of water coverage. The data is provided as [space] delimited plain text files and Google Earth kml and kmz files within a compressed folder that also includes a detailed data description text file (README_data_description) written using "Simple Markdown" syntax converted to PDF and HTML. This dataset is subject to a Creative Commons License Attribution-Noncommercial-ShareAlike 3.0 Unported. If you use the data, please cite the publication.
URI:	http://hdl.handle.net/10261/77418
DOI:	10.20350/digitalCSIC/3745
Referencias:	Oral presentation given at the 2013 Aquatic Sciences Meeting (ASLO), New Orleans, USA, available at http://digital.csic.es/handle/10261/72209 Poster presentation given at the Global Change in the Mediterranean Symposium (Nov. 2012), Sevilla, Spain, available at http://digital.csic.es/handle/10261/63554 Contribution of Doñana Wetlands to carbon sequestration. Edward P. Morris, Susana Flecha, Jordi Figuerola, Eduardo Costas, Gabriel Navarro, Javier Ruiz, Pablo Rodriguez and Emma Huertas, PLOS ONE, 2013, http://digital.csic.es/handle/10261/81349
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