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Rock glaciers, Austria, Version 1

Metadata Updated: December 7, 2023

The Austrian Alps are part of the Eastern Alps which consist of three main mountain ranges. The Northern Alps as well as the Southern Alps are predominantly built of limestone and have poor glaciation in spite of high amounts of precipitation (2000-3000 mm/a) due to the fact that they reach elevations of not more than 3000 m. In contrast the Central Alps consist of metamorphic rocks and receive less precipitation, but are glaciated on large areas (highest mountain of Austria: Groglockner, 3797 m). Recent permafrost and rock glaciers are best developed in the Central Alps, where discontinuous mountain permafrost occurs above a mean altitude of 2500 m.

Rock glaciers were mapped from aerial photographs (different years, most of them 1980-1990) completely covering the area described above. The inventory comprises 1451 rock glaciers with data on their horizontal and vertical position, activity, and morphometric characteristics of each rock glacier. The distinction between active and inactive rock glaciers within the activity class 'intact' was not possible due to the quality of the photographs. Only 19 % of the rock glaciers were classified as intact, while 81 % are relict ones and in most cases of Late Glacial age (a great part of the investigated is situated below present day lower limit of permafrost). In detail the inventory contains information of the following parameters: 1: River basin 2: Number of rock glacier according to river basins 3: Topographic name out of the official map 1:50.000 4: Mountain group 5: Number of official map 1:50.000 6: Number of official aerial photograph map 7: Exposure (8 classes) 8: Lower limit of rock glacier (m above sea level) 9: Maximum length (m, in estimated flow direction) 10: Maximum width (m) 11: Activity (2 classes: intact, relict=fossil) 12: Highest point of the catchment area of the rock glacier (m above sea level) 13: Difference between 12 and 8 (m)

Geographic coordinates of coverage as listed in the GGD inventory are approximate. These data are presented on the CAPS Version 1.0 CD-ROM, June 1998. The inventory does not include measurements on dynamics of rock glacier permafrost.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date November 12, 2020
Metadata Updated Date December 7, 2023

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date December 7, 2023
Publisher NSIDC
Maintainer
Identifier C1386206769-NSIDCV0
Data First Published 1980-01-01
Language en-US
Data Last Modified 1990-12-31
Category geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.nasa.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Citation Rock glaciers, Austria, Version 1. Version 1. Archived by National Aeronautics and Space Administration, U.S. Government, National Snow and Ice Data Center.
Harvest Object Id bc992298-3b54-4747-8f51-87eb398a7cc0
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL https://cmr.earthdata.nasa.gov:443/search/concepts/C1386206769-NSIDCV0.html
Metadata Type geospatial
Old Spatial 12.0 47.0 17.0 49.0
Program Code 026:001
Source Datajson Identifier True
Source Hash dafc4e7880e4455451538e10f931c678d32eea048e35cad93163cce7ab3c2f6f
Source Schema Version 1.1
Spatial
Temporal 1980-01-01T00:00:00Z/1990-12-31T23:59:59.999Z

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