Science Keywords>TERRESTRIAL HYDROSPHERE
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European Diatom Database-Spanish Saline Lake Dataset Entry ID: uk_nc_eddi_spain |
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Summary
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Abstract:
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate change. The Spanish training set includes 74 samples from 57 sites situated between 42N and 36S in latitude, 6W and 2E in longitude. Sampling was restricted to endorheic zones of flat topography, from the interior plateau: La Mancha and Albacete (central Spain) and Zamora (northeastern Spain), and from the lowlands of Andaluc?a (southern Spain) and the Ebro basin (northeastern Spain), at altitudes ranging from 2-1020m asl. Conductivity ranges from 150 to 338,000 ?S cm-1. There is a tendency for water chemistry to be dominated by sulphates in the central plateau region, chlorides in Andaluca, and mixed chloride- or sulphate-dominance in the Ebro basin, dependent on the mineralogy of underlying Tertiary or Triassic marine or continental evaporites. Carbonate-dominated waters are rare, comprising a small number of freshwater, karstic systems. Samples were collected by J. Reed during her PhD (UCL Geography). Following removal of four outliers from the training set, a conductivity transfer function (r2 = 0.91) was derived for Spanish salt lakes (Reed 1995, 1998), which has been applied to one Spanish sequence (Reed 1995, Reed in press, Reed et al., 2001) and in unpublished work in Mexico. Based mainly on the above combined African transfer function, optima from the Spanish transfer function were also used in conductivity reconstruction for sites in Turkey (Reed et al. 1999, Roberts et al. 2001). |
Parent DIF
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This data set description is a member of a collection. The collection is described in uk_nc_eddi |
Geographic Coverage
| N: 39.5 | S: 36.5 | E: -1.27 | W: -6.08 |
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Data Set Citation
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Dataset Originator/Creator:
Jane Reed
Dataset Title: European Diatom Database-Spanish Saline Lake Dataset Dataset Release Place: Newcastle upon Tyne, United Kingdom Dataset Publisher: The University of Newcastle Online Resource: http://craticula.ncl.ac.uk/Eddi/jsp/datasetdesc.jsp?DatasetId=Spain |
Temporal Coverage
| Start Date: 1990-01-01 |
| Stop Date: 1993-12-31 |
Location Keywords
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CONTINENT
> EUROPE
> SOUTHERN EUROPE
> SPAIN
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Science Keywords
| TERRESTRIAL HYDROSPHERE >GROUND WATER >SALTWATER INTRUSION [Definition] |
| TERRESTRIAL HYDROSPHERE >SURFACE WATER >LAKES >LAKEWATER CHEMICAL DATA [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >ALKALINITY [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CHLOROPHYLL [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CONDUCTIVITY [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >NITROGEN COMPOUNDS [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >PH >LAKEWATER PH TRANSFER FUNCTION [Definition] |
| TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >TRACE METALS [Definition] |
| LAND SURFACE >EROSION/SEDIMENTATION >SEDIMENT CHEMISTRY >SURFACE SEDIMENT SAMPLES [Definition] |
| LAND SURFACE >EROSION/SEDIMENTATION >SEDIMENTS >SURFACE SEDIMENT SAMPLES [Definition] |
| BIOLOGICAL CLASSIFICATION >PROTISTS >DIATOMS [Definition] |
| BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE >DIATOMS >DIATOM |
| BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE >DIATOMS |
| BIOSPHERE >AQUATIC ECOSYSTEMS >LAKES >SALT LAKES [Definition] |
| BIOSPHERE >AQUATIC ECOSYSTEMS >LAKES >SALINE LAKES [Definition] |
ISO Topic Category
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BIOTA
ENVIRONMENT GEOSCIENTIFIC INFORMATION INLAND WATERS |
Access Constraints
| None |
Use Constraints
| None |
Keywords
| The European Diatom Database |
| surface-sediment diatom assemblages |
| surface water acidification |
| eutrophication |
| climate change |
| Plantae |
| Plant |
| Chromista |
| Bacillariophyta |
| alkalinity |
| calcium |
| chloride |
| conductivity |
| magnesium |
| maximum depth of lake |
| pH |
| potassium |
| salinity |
| sodium |
| sulphate |
| water depth of diatom sample |
Data Set Progress
| COMPLETE |
Data Center
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European Diatom Database, University of Newcastle, UK
[Information]
Data Center URL: http://craticula.ncl.ac.uk/Eddi/jsp/ Dataset ID: Spain
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Distribution
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Fees:
None
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Personnel
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JANE
REED Role: TECHNICAL CONTACT Phone: 44 1482 466 061 Fax: 44 1482 466 340 Email: J.M.Reed at geo.hull.ac.uk Contact Address: Department of Geography, University of Hull, City: Cottingham Road Province or State: Hull Postal Code: HU6 7RX Country: UK |
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TYLER
B.
STEVENS Role: DIF AUTHOR Phone: (301) 614-6898 Fax: 301-614-5268 Email: Tyler.B.Stevens at nasa.gov Contact Address: NASA Goddard Space Flight Center Global Change Master Directory City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA |
Creation and Review Dates
DIF Creation Date:
2001-12-28
Last DIF Revision Date:
2009-03-30
Future DIF Review Date:
2006-08-04
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