ea7a4cbe7b83450bb7a00bf3761c40d7
English
8-bit variable size UCS Transfer Format, based on ISO/IEC 10646
394464f9c39445d3b6445d8e305841d7
dataset
Centre for Environmental Data Analysis (CEDA)
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
pointOfContact
2024-03-29T00:52:38
UK GEMINI
2.3
WGS 84
ESA Greenland Ice Sheet Climate Change Initiative (Greenland_Ice_Sheet_cci): Grounding Line Locations from SAR Interferometry, v1.3
2018-11-28T16:54:15
publication
2018-11-28T16:54:15
creation
http://catalogue.ceda.ac.uk/uuid/ea7a4cbe7b83450bb7a00bf3761c40d7
ea7a4cbe7b83450bb7a00bf3761c40d7
Centre for Environmental Data Analysis (CEDA)
This dataset contains grounding lines for 5 North Greenland glaciers, derived from generated from ERS -1/-2 and Sentinel-1 SAR (Synthetic Aperture Radar) interferometry. This version of the dataset (v1.3) has been extended with grounding lines for 2017. Data was produced as part of the ESA Greenland Ice Sheets Climate Change Initiative (CCI) project by ENVEO, Austria.
The grounding line is the separation point between the floating and grounded parts of the glacier. Processes at the grounding lines of floating marine termini of glaciers and ice streams are important for understanding the response of the ice masses to changing boundary conditions and for establishing realistic scenarios for the response to climate change. The grounding line location product is derived from InSAR data by mapping the tidal flexure and is generated for a selection of the few glaciers in Greenland, which have a floating tongue. In general, the true location of the grounding line is unknown, and therefore validation is difficult for this product.
Remote sensing observations do not provide direct measurement on the transition from floating to grounding ice (the grounding line). The satellite data deliver observations on ice surface features (e.g. tidal deformation by InSAR, spatial changes in texture and shading in optical images) that are indirect indicators for estimating the position of the grounding line. Due to the plasticity of ice these indicators spread out over a zone upstream and downstream of the grounding line, the tidal flexure zone (also called grounding zone).
ESA Greenland Ice Sheet CCI project team
author
unknown
author
Centre for Environmental Data Analysis (CEDA)
custodian
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
custodian
Centre for Environmental Data Analysis (CEDA)
distributor
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
distributor
Centre for Environmental Data Analysis (CEDA)
point_of_contact
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
pointofContact
Centre for Environmental Data Analysis (CEDA)
publisher
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
publisher
notPlanned
dataset
ice sheets
ice sheets
ERS-1
ERS-2
Sentinel-1A
Sentinel-1B
AMI-SAR
SAR-C (Sentinel-1)
Greenland
Ice Sheet
CCI
ESA
orthoimagery
theme
GEMET - INSPIRE themes, version 1.0
2008-06-01
publication
otherRestrictions
Public data: access to these data is available to both registered and non-registered users.
otherRestrictions
Use of these data is covered by the following licence: http://licences.ceda.ac.uk/image/data_access_condition/esacci_icesheets_greenland_terms_and_conditions.pdf . When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
grid
English
imageryBaseMapsEarthCover
-80.0
-10.0
60.0
90.0
1995-08-27T23:00:00
2017-03-16T23:59:59
Shape files
Centre for Environmental Data Analysis (CEDA)
Data Center Contact
01235446432
Rutherford Appleton Laboratory
Harwell
Oxon
OX11 0QX
United Kingdom
support@ceda.ac.uk
distributor
http://catalogue.ceda.ac.uk/uuid/ea7a4cbe7b83450bb7a00bf3761c40d7
CEDA Data Catalogue Page
Detail and access information for the resource
information
http://data.ceda.ac.uk/neodc/esacci/ice_sheets_greenland/data/greenland_grounding_line_locations/v1.3/
DOWNLOAD
Download Data
download
http://www.esa-icesheets-greenland-cci.org/index.php?q=webfm_send/165
Product User Guide
No further details.
information
http://www.esa-icesheets-cci.org/
The ESA Greenland Ice Sheet CCI Project
No further details.
information
https://climate.esa.int/
ESA Climate Change Initiative website
No further details.
information
http://data.ceda.ac.uk/neodc/esacci/ice_sheets_greenland/metadata/sample_images/gll_v1.3_quicklook.jpg
Sample Image
No further details.
information
dataset
Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
2010-12-08
Data were processed by the ESA CCI Greenland Ice Sheet project team and supplied to CEDA in the context of the ESA CCI Open Data Portal Project.