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Is land surface temperature an earthquake precursor?

Bibliographic Details
Main Author: Sulçe, Ardit
Publication Date: 2013
Format: Master thesis
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/10362/9188
Summary: Dissertation submitted in partial fulfillment of the requirements for the Degree of Master of Science in Geospatial Technologies
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spelling Is land surface temperature an earthquake precursor?Land surfaceEarthquakeRemote sensingDissertation submitted in partial fulfillment of the requirements for the Degree of Master of Science in Geospatial TechnologiesThis study aims to investigate and explain the land surface temperature variations before and after the earthquake of August 11, 2012 that struck Iran, by making critical considerations of weather factors. This goal underlies two main objectives. The first objective was to detect land surface temperature anomalies over time in respect to the day of the earthquake, and over space relative to the location of the earthquake epicentre. The other main objective was to determine whether the detected anomalies originated from the weather, or the earthquake. To meet these objectives, observations of remote sensing land surface temperature, near-ground air temperature and air temperature of multiple atmospheric levels were used. All the datasets were daily night-time observations extending to a period of five years, repeatedly from July 11, to August 31. All the observations of the three datasets were visualized in space and time to seek anomalous temperature patterns. The results showed several prominent land surface temperature increases over the 5-year period, but none of them fell out a few days before the earthquake. The most enduring land surface temperature increase occurred two days after the earthquake. In contrast to the land surface temperature, air temperature exhibited the sharpest anomalies of the entire period a few days before the earthquake. Both the air and the land surface temperature increased periodically few times within the 5-year period. The high temperature patterns that were detected in the near-ground air also matched in time with the patterns found in the temperature of multiple atmospheric levels. All three approaches undertaken in this study were consistent with each-other in terms of results. Based on those results, it was concluded that there were no land surface temperature anomalies in the expected few days before the earthquake. All the detected temperature increases were indeed seasonal patterns repeating roughly in the same period of the year, and in the same spatial extent and intensity. These warm patterns were due to normal weather cycles. The sharp air temperature anomalies detected in the few days preceding the earthquake may suggest that the focus, if thermal precursors exist at all, should indeed be set on the air temperature instead of land surface temperature.Pebesma, EdzerPla Bañón, FilibertoCaetano, Mário Sílvio Rochinha de AndradeRUNSulçe, Ardit2013-03-25T12:30:41Z2013-01-302013-01-30T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttp://hdl.handle.net/10362/9188TID:202252973enginfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2024-05-22T17:12:47Zoai:run.unl.pt:10362/9188Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T16:43:32.942677Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Is land surface temperature an earthquake precursor?
title Is land surface temperature an earthquake precursor?
spellingShingle Is land surface temperature an earthquake precursor?
Sulçe, Ardit
Land surface
Earthquake
Remote sensing
title_short Is land surface temperature an earthquake precursor?
title_full Is land surface temperature an earthquake precursor?
title_fullStr Is land surface temperature an earthquake precursor?
title_full_unstemmed Is land surface temperature an earthquake precursor?
title_sort Is land surface temperature an earthquake precursor?
author Sulçe, Ardit
author_facet Sulçe, Ardit
author_role author
dc.contributor.none.fl_str_mv Pebesma, Edzer
Pla Bañón, Filiberto
Caetano, Mário Sílvio Rochinha de Andrade
RUN
dc.contributor.author.fl_str_mv Sulçe, Ardit
dc.subject.por.fl_str_mv Land surface
Earthquake
Remote sensing
topic Land surface
Earthquake
Remote sensing
description Dissertation submitted in partial fulfillment of the requirements for the Degree of Master of Science in Geospatial Technologies
publishDate 2013
dc.date.none.fl_str_mv 2013-03-25T12:30:41Z
2013-01-30
2013-01-30T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10362/9188
TID:202252973
url http://hdl.handle.net/10362/9188
identifier_str_mv TID:202252973
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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