An application on sinkhole susceptibility mapping by integrating remote sensing and geographic information systems

Orhan, Osman; Yakar, Murat; Ekercin, Semih

doi:10.1007/s12517-020-05841-6

Cited by 36 publications

(23 citation statements)

References 77 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The Karapinar area has been used for agricultural production for centuries, mostly by dry farming (non-irrigation). However, since the early 2000s, irrigated agrarian activities, mainly for sugar beet and corn, which rely on groundwater extraction, have increased the agricultural productivity of the area [ 33 ].…”

Section: Study Areamentioning

confidence: 99%

“…For example, there were 332 sinkholes in Karapınar and its surroundings by 2020 [ 37 ]. These environmental problems arise due to groundwater over-pumping, which is needed for irrigated agriculture [ 33 ]. Previous studies estimated that irrigation has been conducted using roughly 92,000 groundwater wells, including 66,000 that have been used illegally, throughout the KCB [ 35 , 39 ].…”

Section: Study Areamentioning

confidence: 99%

“…Karst features and land subsidence occur in the Insuyu and Hotamış formations (Tmpli and Qho geological units in Figure 2 ) and can be observed throughout the Karapınar Basin. The leading causes for karst formation are limestone dissolution in the subsurface, whereas the leading causes of land subsidence are the presence of fine-grained materials in the shallow subsurface [ 33 ].…”

Section: Study Areamentioning

confidence: 99%

“…However, since the 2000s, irrigated farming areas have increasingly become dependent on groundwater usage in and around Karapınar [ 31 ]. The increased usage of groundwater in Karapınar and its vicinity increased land subsidence and sinkhole formations in the region over the past decade [ 32 , 33 , 34 ]. A previous InSAR study of land subsidence based on Envisat data acquired during the years 2002–2010 revealed the occurrence of land subsidence over wide areas at a maximum rate of 15 mm/yr [ 35 ].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Land Subsidence and Its Relations with Sinkhole Activity in Karapınar Region, Turkey: A Multi-Sensor InSAR Time Series Study

Orhan

Oliver-Cabrera

Wdowinski

et al. 2021

Sensors

Self Cite

View full text Add to dashboard Cite

The Karapinar basin, located in the Central Anatolian part of Turkey, is subjected to land subsidence and sinkhole activity due to extensive groundwater withdrawal that began in the early 2000s. In this study, we use Interferometric Synthetic Aperture Radar (InSAR), Global Navigation Satellite System (GNSS), and groundwater level data to monitor and better understand the relations between groundwater extraction, land subsidence, and sinkhole formation in the Karapinar basin. The main observations used in the study are InSAR-derived subsidence velocity maps calculated from both Sentinel-1 (2014–2018) and COSMO-SkyMed (2016–2017) SAR data. Our analysis reveals broad areas of subsidence with rates exceeding 70 mm/yr. The InSAR-derived subsidence was compared with GNSS data acquired by a continuously operating GNSS station located in the study area, which show a similar rate of subsidence. The temporal characteristic of both InSAR and GNSS time series indicate a long-term subsidence signal superimposed by seasonal variability, which follows the overall groundwater level changes, with over 80% cross-correlation consistency. Our results also indicate that sinkhole activity is limited to slow subsidence areas, reflecting strong cohesion of near-surface rock layers that resist subsidence but yield to collapse in response to aquifer system deformation induced by groundwater extraction.

show abstract

Section: Study Areamentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Land Subsidence and Its Relations with Sinkhole Activity in Karapınar Region, Turkey: A Multi-Sensor InSAR Time Series Study

Orhan

Oliver-Cabrera

Wdowinski

et al. 2021

Sensors

Self Cite

View full text Add to dashboard Cite

show abstract

“…Although traditional dry farming is practiced in the region, it has caused the emergence of karstic surface shapes due to irrigated agriculture and the geological structure of the region since the early 2000s (Orhan et al 2020a). Sinkhole formations, which are caused by the misuse of groundwater in the region and continue to emerge day by day, threaten the people of the region (Orhan et al 2020b). The main factor in choosing the study area is the coexistence of different land features in the region.…”

Section: Study Areamentioning

confidence: 99%

Investigation of temporal baseline effect on DEMs derived from COSMO Sky-Med data

Torun

Orhan

2021

International Journal of Engineering and Geosciences

Self Cite

View full text Add to dashboard Cite

InSAR DEM Baseline COSMO Sky-Med Digital elevation models (DEM) are indispensable elements of sensitive earth science studies. It is important the production and usage of DEMs. The science of remote sensing offers scientists an important source of data on this subject. Radar data, which is an active remote sensing system, has an important capacity in this regard. DEM production using InSAR data has been widely used in the literature in the last decade. The temporal baseline parameter, which is an important factor in data generation from InSAR pairs, also affects the final products. In this study, it is aimed to examine the usability of these data by producing short (4days), medium (84 days) and long (440 days) baseline DEMs using InSAR pairs of COSMO Sky-Med satellite. At the same time, photogrammetric DEMs were produced with unmanned aerial vehicles (UAV) in selected pilot areas. The DEMs produced were evaluated in 4 land surface types, namely plain-bare, agricultural, urban and rugged area. In addition, by performing statistical analyzes such as RMSE, MAE, the accuracy of the produced DEMs compared to the DEMs produced with UAV was examined. The results showed that short and medium baseline data give more accurate results than long baseline InSAR pairs. Increasing the temporal baseline, increases the amount of error in the DEMs produced. Also, the effect of land surface types on the produced DEMs was revealed in the results of the study.

show abstract

Applications of innovative polygon trend analysis (IPTA) and trend polygon star concept (TPSC) methods for the variability of precipitation in Konya Closed Basin (Turkey)

Koycegiz,

Buyukyildiz

2023

Theor Appl Climatol

View full text Add to dashboard Cite

An application on sinkhole susceptibility mapping by integrating remote sensing and geographic information systems

Cited by 36 publications

References 77 publications

Land Subsidence and Its Relations with Sinkhole Activity in Karapınar Region, Turkey: A Multi-Sensor InSAR Time Series Study

Land Subsidence and Its Relations with Sinkhole Activity in Karapınar Region, Turkey: A Multi-Sensor InSAR Time Series Study

Investigation of temporal baseline effect on DEMs derived from COSMO Sky-Med data

Applications of innovative polygon trend analysis (IPTA) and trend polygon star concept (TPSC) methods for the variability of precipitation in Konya Closed Basin (Turkey)

Contact Info

Product

Resources

About