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WebTephraCalc: a tephra fall volume estimation system using WebGIS and OGC web services.

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Názov: WebTephraCalc: a tephra fall volume estimation system using WebGIS and OGC web services.
Autori: Bandibas, Joel, Takarada, Shinji
Zdroj: Earth, Planets & Space; 5/16/2025, Vol. 77 Issue 1, p1-15, 15p
Predmety: VOLCANOLOGY, MATHEMATICAL models, GEOGRAPHIC information systems, GEOSPATIAL data, CARTOGRAPHIC services, VOLCANIC ash, tuff, etc.
Abstrakt: Total tephra fall volume information is helpful in understanding the nature of volcanic activity and the extent of the destruction caused by the phenomenon. Mathematical models used to estimate tephra fall volume are based on the relationship between thickness and area of volcanic debris as these values change from the vent to the farthest distance covered by the deposit. Geological surveys and related organizations have been storing geospatial information like isopach tephra fall data in web-based databases in recent years. This is coupled with the formulation of web services used to access and process web-based geospatial contents. This paper presents a WebGIS system developed to compute tephra fall volume with exponential, power law, and Weibull models, as well as the segment integration computing method, using isopach tephra fall data accessed with web services. It provides an interface to easily compare estimation results using different models and computation methods, using tephra fall data from the system's own database and distributed sources. It has an interface for accessing geospatial contents using other system's web services. The new system is called WebTephraCalc, which can be accessed at https://geohazards-info.gsj.jp/webtephracalc/. [ABSTRACT FROM AUTHOR]
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Databáza: Complementary Index
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Abstrakt:Total tephra fall volume information is helpful in understanding the nature of volcanic activity and the extent of the destruction caused by the phenomenon. Mathematical models used to estimate tephra fall volume are based on the relationship between thickness and area of volcanic debris as these values change from the vent to the farthest distance covered by the deposit. Geological surveys and related organizations have been storing geospatial information like isopach tephra fall data in web-based databases in recent years. This is coupled with the formulation of web services used to access and process web-based geospatial contents. This paper presents a WebGIS system developed to compute tephra fall volume with exponential, power law, and Weibull models, as well as the segment integration computing method, using isopach tephra fall data accessed with web services. It provides an interface to easily compare estimation results using different models and computation methods, using tephra fall data from the system's own database and distributed sources. It has an interface for accessing geospatial contents using other system's web services. The new system is called WebTephraCalc, which can be accessed at https://geohazards-info.gsj.jp/webtephracalc/. [ABSTRACT FROM AUTHOR]
ISSN:13438832
DOI:10.1186/s40623-025-02195-9