ESA Greenland Ice Sheet Climate Change Initiative (Greenland_Ice_Sheet_cci): Grounding Line Locations from SAR Interferometry, v1.3

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).

Identification info

Metadata Language: English (en)

Dataset Reference Date (): 2018-11-28T16:54:15

Dataset Reference Date (): 2018-11-28T16:54:15

Identifier: http://catalogue.ceda.ac.uk/uuid/ea7a4cbe7b83450bb7a00bf3761c40d7

Identifier: Centre for Environmental Data Analysis (CEDA) / ea7a4cbe7b83450bb7a00bf3761c40d7

ESA Greenland Ice Sheet CCI project team - author

Centre for Environmental Data Analysis (CEDA) - custodian

Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom

01235446432

Centre for Environmental Data Analysis (CEDA) - distributor

Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom

01235446432

Centre for Environmental Data Analysis (CEDA) - point_of_contact

Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom

01235446432

Centre for Environmental Data Analysis (CEDA) - publisher

Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom

01235446432

Maintenance and update frequency: notPlanned

Update scope: dataset

Keywords

GEMET - INSPIRE themes, version 1.0 ()

orthoimagery

Limitations on Public Access: otherRestrictions

Other constraints: Public data: access to these data is available to both registered and non-registered users.

Use constraints: otherRestrictions

Other constraints: 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.

Spatial representation type: grid

Topic category

Imagery base maps earth cover

Begin date: 1995-08-27T23:00:00

End date: 2017-03-16T23:59:59

Code: WGS 84

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Resource Locator: CEDA Data Catalogue Page
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Resource Locator: The ESA Greenland Ice Sheet CCI Project
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Resource Locator: ESA Climate Change Initiative website
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Resource Locator: CEDA Data Catalogue Page
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Resource Locator: Product User Guide
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Resource Locator: The ESA Greenland Ice Sheet CCI Project
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Resource Locator: ESA Climate Change Initiative website
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Quality Scope: dataset

Report

Dataset Reference Date (): 2010-12-08

Statement: 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.

Metadata

File identifier: ea7a4cbe7b83450bb7a00bf3761c40d7 XML

Metadata Language: English (en)

Character set: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646

Parent identifier: ESA Greenland Ice Sheet Climate Change Initiative (Greenland Ice Sheet CCI) Dataset Collection 394464f9c39445d3b6445d8e305841d7

Resource type: dataset

Metadata Date: 2023-01-09T00:37:29

Metadata standard name: UK GEMINI

Metadata standard version: 2.3

Centre for Environmental Data Analysis (CEDA)

Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom

01235446432

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