DBPapers
DOI: 10.5593/SGEM2016/B23/S11.015

ASSESSMENT OF THE NORMATIVE DEPTH OF SEASONALLY FROZEN SOIL LAYER IN WESTERN SIBERIA USING GIS

S. Garmaeva, O. Nosyreva
Friday 9 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-60-5 / ISSN 1314-2704, June 28 - July 6, 2016, Book2 Vol. 3, 111-118 pp

ABSTRACT
This work was carried out for purposes of geological engineering survey, to create of a database for quick calculation of the depth of seasonally frozen soil layers in Western Siberia. The research consisted three stages: 1) the climatic zoning - composing maps of the sum of the absolute values average monthly negative temperatures; 2) development of a database for the calculation of normative depth soil freezing; 3) mapping of the observed maximum depth soil freezing.
The input data have served regulations acting in the Russian Federation [8, 9], the data on average monthly air temperature and daily mean temperature of the soil at the hydrometeorological stations in Western Siberia [10]. At all stages of the research data is stored and processed in the ArcGIS (geodatabase).The main tools of spatial analysis have served interpolation (weighted by the inverse distance IDW), the creation of buffers and the construction of Thiessen polygons.
As a result, have been constructed maps of normative depth freezing of clayey soils, the actual maximum depth soil freezing and map their relation.

Keywords: seasonally frozen soil layer, normative depth of seasonally frozen soil layer, climatic zoning

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