{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T00:15:51Z","timestamp":1775520951382,"version":"3.50.1"},"reference-count":93,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2022,4,24]],"date-time":"2022-04-24T00:00:00Z","timestamp":1650758400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Capacity Building Research Program for ITB Young Scientists by the Institute of Research and Community Service, Institut Teknologi Bandung","award":["1"],"award-info":[{"award-number":["1"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJGI"],"abstract":"<jats:p>Poverty data are usually collected through on-the-ground household-based socioeconomic surveys. Unfortunately, data collection with such conventional methods is expensive, laborious, and time-consuming. Additional information that can describe poverty with better granularity in scope and at lower cost, taking less time to update, is needed to address the limitations of the currently existing official poverty data. Numerous studies have suggested that the poverty proxy indicators are related to economic spatial concentration, infrastructure distribution, land cover, air pollution, and accessibility. However, the existing studies that integrate these potentials by utilizing multi-source remote sensing and geospatial big data are still limited, especially for identifying granular poverty in East Java, Indonesia. Through analysis, we found that the variables that represent the poverty of East Java in 2020 are night-time light intensity (NTL), built-up index (BUI), sulfur dioxide (SO2), point-of-interest (POI) density, and POI distance. In this study, we built a relative spatial poverty index (RSPI) to indicate the spatial poverty distribution at 1.5 km \u00d7 1.5 km grids by overlaying those variables, using a multi-scenario weighted sum model. It was found that the use of multi-source remote sensing and big data overlays has good potential to identify poverty using the geographic approach. The obtained RSPI is strongly correlated (Pearson correlation coefficient = 0.71 (p-value = 5.97\u00d710\u22127) and Spearman rank correlation coefficient = 0.77 (p-value = 1.58\u00d710\u22128) to the official poverty data, with the best root mean square error (RMSE) of 3.18%. The evaluation of RSPI shows that areas with high RSPI scores are geographically deprived and tend to be sparsely populated with more inadequate accessibility, and vice versa. The advantage of RSPI is that it is better at identifying poverty from a geographical perspective; hence, it can be used to overcome spatial poverty traps.<\/jats:p>","DOI":"10.3390\/ijgi11050275","type":"journal-article","created":{"date-parts":[[2022,4,24]],"date-time":"2022-04-24T22:22:41Z","timestamp":1650838961000},"page":"275","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Developing Relative Spatial Poverty Index Using Integrated Remote Sensing and Geospatial Big Data Approach: A Case Study of East Java, Indonesia"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5660-5020","authenticated-orcid":false,"given":"Salwa Rizqina","family":"Putri","sequence":"first","affiliation":[{"name":"Department of Statistical Computing, Politeknik Statistika STIS, Jakarta 13330, Indonesia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5686-7218","authenticated-orcid":false,"given":"Arie Wahyu","family":"Wijayanto","sequence":"additional","affiliation":[{"name":"Department of Statistical Computing, Politeknik Statistika STIS, Jakarta 13330, Indonesia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7379-1777","authenticated-orcid":false,"given":"Anjar Dimara","family":"Sakti","sequence":"additional","affiliation":[{"name":"Remote Sensing and Geographic Information Science Research Group, Faculty of Earth Science and Technology, Institut Teknologi Bandung, Bandung 40132, Indonesia"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,24]]},"reference":[{"key":"ref_1","first-page":"20160690","article-title":"Mapping Poverty Using Mobile Phone and Satellite Data","volume":"14","author":"Steele","year":"2017","journal-title":"R. 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