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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F11%3A86078989%21RIV12-MSM-27350___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
In the undermined Northern Moravia region, the land is subsiding even more than a metre per year causing damages to many human-made objects. Such a fast subsidence is almost not possible to estimate using multitemporal radar interferometry techniques (Permanent Scatterers, Small Baselines) that were applied to ERS-2 data of 1996-2001. Classic differential radar interferometry approaches were successfully applied allowing to visually interprete the evolution of subsidence in the area using Envisat and ERS-1/2 images from years 1996-2009. Results of the radar interferometry usage have been compared with the levelling data. Because of several factors, most of the interferograms are decorrelated. These factors are depicted and several solution scenarios are pointed out. To overcome such limitations as a relatively strong vegetation cover in the area and to detect such a fast subsidence in small areas, the ALOS PALSAR images in fine resolution mode have been successfully used. In the undermined Northern Moravia region, the land is subsiding even more than a metre per year causing damages to many human-made objects. Such a fast subsidence is almost not possible to estimate using multitemporal radar interferometry techniques (Permanent Scatterers, Small Baselines) that were applied to ERS-2 data of 1996-2001. Classic differential radar interferometry approaches were successfully applied allowing to visually interprete the evolution of subsidence in the area using Envisat and ERS-1/2 images from years 1996-2009. Results of the radar interferometry usage have been compared with the levelling data. Because of several factors, most of the interferograms are decorrelated. These factors are depicted and several solution scenarios are pointed out. To overcome such limitations as a relatively strong vegetation cover in the area and to detect such a fast subsidence in small areas, the ALOS PALSAR images in fine resolution mode have been successfully used.
dcterms:title
Monitoring of fast subsidence in a mining area of Northern Moravia, Czech Republic Monitoring of fast subsidence in a mining area of Northern Moravia, Czech Republic
skos:prefLabel
Monitoring of fast subsidence in a mining area of Northern Moravia, Czech Republic Monitoring of fast subsidence in a mining area of Northern Moravia, Czech Republic
skos:notation
RIV/61989100:27350/11:86078989!RIV12-MSM-27350___
n15:predkladatel
n16:orjk%3A27350
n4:aktivita
n17:S
n4:aktivity
S
n4:dodaniDat
n20:2012
n4:domaciTvurceVysledku
n13:5072719 n13:5576237
n4:druhVysledku
n6:D
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n18:predkladatel
n4:idSjednocenehoVysledku
213580
n4:idVysledku
RIV/61989100:27350/11:86078989
n4:jazykVysledku
n8:eng
n4:klicovaSlova
Alos; Envisat; ERS; undermining; subsidence; InSAR
n4:klicoveSlovo
n5:Envisat n5:InSAR n5:ERS n5:undermining n5:subsidence n5:Alos
n4:kontrolniKodProRIV
[F102FB139ACF]
n4:mistoKonaniAkce
Bergen
n4:mistoVydani
Bergen
n4:nazevZdroje
Proceedings of ESA Living Planet Symposium 2010
n4:obor
n11:DH
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n20:2011
n4:tvurceVysledku
Lazecký, Milan Jiránková, Eva Šeligová, Dagmar
n4:typAkce
n9:EUR
n4:zahajeniAkce
2010-06-28+02:00
s:issn
1609-042X
s:numberOfPages
6
n21:hasPublisher
European Space Agency
n14:isbn
978-92-9221-250-6
n3:organizacniJednotka
27350