[ESIP-all] New data sets from the NASA Socioeconomic Data and Applications Center (SEDAC) operated by CIESIN:

[Elisabeth Sydor]

New data sets from the NASA Socioeconomic Data and Applications Center 
(SEDAC <http://sedac.ciesin.columbia.edu/>) operated by CIESIN 
<http://ciesin.columbia.edu/>:

*Altimeter Corrected Elevations (ACE2), v2 (1994 – 2005)* 
<https://sedac.ciesin.columbia.edu/data/set/dedc-ace-v2>*. *A “data 
rescue” now the springboard forSEDAC’s new Digital Elevation Data 
Collection (DEDC 
<https://sedac.ciesin.columbia.edu/data/collection/dedc>), the ACE2 data 
set can be applied to flood risk assessment, land deformation 
monitoring, landslide modelling, urban planning, and sea level rise 
impact assessment. By using altimeter data, researchers were able to 
capture ground elevation in areas with dense tree cover—an improvement 
over SRTM data, which captures only the top of the canopy. Developers of 
the data sets were the Earth and Planetary Remote Sensing Laboratory, De 
Monfort University, UK (P.A.M. Berry and R.G. Smith); and the Science, 
Applications and Future Technologies Dept, European Space Agency, Earth 
Observation Science in Italy (J. Benveniste).


    *Trends in Global Freshwater Availability from the Gravity Recovery
    and Climate Experiment (GRACE), v1 (2002 – 2016)*
    <https://sedac.ciesin.columbia.edu/data/set/sdei-trends-freshwater-availability-grace>*.*Partof
    our Satellite-Derived Environmental Indicators data collection
    <https://sedac.ciesin.columbia.edu/data/collection/sdei>,GRACE
    measures small changes in Earthˊs gravity field, to assess the
    response of the world's water cycle to human impacts and climate
    variations, in order to evaluate and predict emerging threats to
    water and food security. This is a global gridded data set at a
    spatial resolution of 0.5 degrees that presents trends (rate of
    change measured in centimeters per year) in freshwater availability
    based on data obtained from 2002 to 2016 by NASA GRACE. Data set
    authors are from the Hydrological Sciences Laboratory, NASA Goddard
    Space Flight Center (M. Rodell, F. W. Landerer, and H. K.
    Beaudoing); the Jet Propulsion Laboratory, California Institute of
    Technology (J. S. Famiglietti, D.N. Wiese, and J.T. Reager); and the
    Department of Atmospheric Sciences, National Taiwan University
    (M.-H. Lo).

*Development Threat Index, v1 (2015)* 
<https://sedac.ciesin.columbia.edu/data/set/lulc-development-threat-index>*. 
*This development threat map is organized by sectors: agricultural and 
urban expansion, conventional and unconventional oil and gas, coal, 
mining, biofuels, solar and wind. The focus on sectors enables a 
different approach to analysis than, for example, the Human Footprint 
data and maps 
<https://sedac.ciesin.columbia.edu/data/set/wildareas-v3-1993-human-footprint>, 
which show greatest vs. less activity on the planet. Developed by 
researchers from The Nature Conservancy (J.R. Oakleaf, C. Kennedy, S. 
Baruch-Mordo, and J. Kiesecker); University of Minnesota (P.C. West, 
J.S. Gerber); and University of British Columbia (Larissa Jarvis).

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