{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:23:46Z","timestamp":1760149426348,"version":"build-2065373602"},"reference-count":58,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2023,7,24]],"date-time":"2023-07-24T00:00:00Z","timestamp":1690156800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>In the present study, the vertical and horizontal growth of Patna Urban Agglomeration was evaluated using the Persistent Scatterer Interferometry Synthetic Aperture Radar (PSInSAR) technique during 2015\u20132018. The vertical urban growth assessment of the city landscape was assessed using microwave time series (30 temporal) datasets of Single Look Complex (SLC) Sentinel-1A interferometric Synthetic Aperture Radar using SARPROZ software (ver. 2020). This study demonstrated that peripheral city regions experienced higher vertical growth (~4 m year\u22121) compared to the city core regions, owing to higher urban development opportunities leading to significant land use alterations, the development of high-rise buildings, and infrastructural development. While the city core of Patna observed an infill and densification process, as it was already saturated and highly densified. The rapidly urbanizing city in the developing region witnessed a considerable horizontal urban expansion as estimated through the normalized difference index for built-up areas (NDIB) and speckle divergence (SD) using optical Sentinel 2A and microwave Sentinel-1A ground range detected (GRD) satellite data, respectively. The speckle divergence-based method exhibited high urban growth (net growth of 11.28 km2) with moderate urban infill during 2015\u20132018 and reported a higher accuracy as compared to NDIB. This study highlights the application of SAR remote sensing for precise urban area delineation and temporal monitoring of urban growth considering horizontal and vertical expansion through processing a long series of InSAR datasets that provide valuable information for informed decision-making and support the development of sustainable and resilient cities.<\/jats:p>","DOI":"10.3390\/rs15143687","type":"journal-article","created":{"date-parts":[[2023,7,25]],"date-time":"2023-07-25T01:27:32Z","timestamp":1690248452000},"page":"3687","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Measuring Vertical Urban Growth of Patna Urban Agglomeration Using Persistent Scatterer Interferometry SAR (PSInSAR) Remote Sensing"],"prefix":"10.3390","volume":"15","author":[{"given":"Aniket","family":"Prakash","sequence":"first","affiliation":[{"name":"Department of Geoinformatics, Central University of Jharkhand, Ranchi 835205, India"}]},{"family":"Diksha","sequence":"additional","affiliation":[{"name":"Department of Geoinformatics, Central University of Jharkhand, Ranchi 835205, India"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4582-5677","authenticated-orcid":false,"given":"Amit","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Geoinformatics, Central University of Jharkhand, Ranchi 835205, India"},{"name":"IUCN-Commission on Ecosystem Management (South Asia), 1196 Gland, Switzerland"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,24]]},"reference":[{"key":"ref_1","unstructured":"Rafferty, J.P. 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