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LBA_CDO2_LEAF_GAS_EXCHANGE LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil EHLERINGER, J.R.; MARTINELLI, L.A.; COOK, C.; DOMINGUES, T.F.; FLANAGAN, L.; BERRY, J.A.; OMETTO, J.P.H.B. LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil 2011 Oak Ridge, Tennessee, U.S.A. Oak Ridge National Laboratory Distributed Active Archive Center Online Files doi:10.3334/ORNLDAAC/1010 1010

ABSTRACT: This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of Para (south of Santarem) and Amazonas (near Manaus) from November 1999 through December 2003. Data are reported on photosynthesis measurements, CO2 response curves, light response curves, humidity response curves, and stomatal responses to variations of the leaf-to-air water vapor mole fraction deficit. Leaf weight, carbon and nitrogen concentrations as well as stable isotope signatures for 13C and 15N are reported for a subset of the samples. There is one comma-delimited ASCII data file with this data set.

1999-10-28 2003-12-17 COMPLETE -3.0202 2 -60.1152 54.5792 ESIP Earth Science Information Partners Program EOSDIS Earth Observing System Data Information System TECHNICAL CONTACT ORNL DAAC User Services ORNL DAAC USER SERVICES OFFICE OAK RIDGE NATIONAL LABORATORY OAK RIDGE, TENNESSEE 37831 USA DIF AUTHOR ORNL DAAC User Services ornldaac@ornl.gov (865) 241-3952 (865) 574-4665

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Oak Ridge Tennessee 37831-6407 USA 2011-05-12 ORNL_DAAC THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) http://daac.ornl.gov/ 1010 DATA CENTER CONTACT ORNL DAAC USER SERVICES ornldaac@ornl.gov +1(865)241-3952 +1(865)574-4665

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Oak Ridge Tennessee 37831-6407 USA EARTH SCIENCE BIOSPHERE ECOLOGICAL DYNAMICS ECOSYSTEM FUNCTIONS EARTH SCIENCE BIOSPHERE VEGETATION CARBON EARTH SCIENCE BIOSPHERE VEGETATION NITROGEN EARTH SCIENCE TERRESTRIAL HYDROSPHERE WATER QUALITY/WATER CHEMISTRY STABLE ISOTOPES PHOTOSYNTHESIS CHAMBER FIELD INVESTIGATION EARTH SCIENCE CARBON ANALYZERS LABORATORY EARTH SCIENCE MASS SPECTROMETERS LABORATORY EARTH SCIENCE LIGHT HUMIDITY PHOTOSYNTHESIS RESPONSE CURVES GET DATA http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1010 VIEW RELATED INFORMATION https://daac.ornl.gov//LBA/guides/CD02_Leaf_Level_Gas_Exchange.html LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil USA/NASA ENGLISH GCMD CEOS IDN DIF VERSION 9.0