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Monitoring the eruption of Mt. Sinabung through Google Earth Engine
Hi there, It’s been while since the last time I write an article in this page. Due to teaching and research I almost forget that I have my own page that need to be updated. Ok, let’s go for the very last thing I have learned, the cloud-computing platform of Google Earth Engine (GEE). To…
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Working with Sentinel-1 SAR data for Lombok earthquake rapid assessment
Lombok Island located in the far-eastern part of Java Island just hit by the large scale earthquake in the early August of 2018 (the second strike). I am interest in the impact of the earthquake within the affected areas. For rapid assessment I am working with Sentinel-1 SAR datasets of Lombok Island for acquisition date…
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Sentinel 5P: Monitoring the atmospheric condition
The availability of cutting-edge sensor today makes the monitoring of atmospheric condition become easier than before. The Copernicus program of European now provides Sentinel 5P TROPOMI (TROPOspheric Monitoring Instrument) with so many product type and level. For detail please refer to their data products (available here https://sentinel.esa.int/web/sentinel/missions/sentinel-5/data-products). I tried to learn and visualize the data of…
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Seeing the unseen: Forest fire through optical satellite-based imagery
The forest fire is a very common event during summer and it is very difficult to monitor since its produced huge amount of smoke. Sentinel-2 with its SWIR band provides beneficial opportunity to monitor and map the forest fire. The figures below shows the location of forest fire event captured in November 2017 on the…
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New Highway at Malang and Solo as captured from the space-based sensor
Sentinel-2 is earth observation satellite own by European Space Agency (ESA) that provides a free dataset for public. This sensor is an optical-based sensor, which is captured the earth surface within the visible light spectrum. One of the benefits of this data is sustainable monitoring of earth surface transformation could be monitored and mapped clearly…
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We are living in Mega-city
This satellite photo was taken by Sentinel-2 sensor of the European Space Agency (ESA). Acquisition date was April 16, 2017. This amazing image shows the current situation of the large scale of Indonesian urban structures, which is connected the small-medium-large cities and merged into single mega-city. People of this mega-city is living in high mobility…
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Bima’s Flood 2017: Rapid Assessment through Space-based data
Bima City, located in the eastern coast of the island of Sumbawa, West Nusa Tenggara (NTB), Indonesia was hit by huge flood in the late 2016 to early 2017. From the rapid assessment of space-based dataset of Landsat OLI 8, we found that during 20 years (1997-2016) span, there are uncontrolled land use land cover…
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The most recent land use land cover of Cimanuk Watershed
By the end of last month, flood was hit Garut City, where located in the center of Cimanuk watershed area. Many believed that flood event this time was due to mismanagement of upper stream area. To have better understanding, we need to employ space-based image analysis to identify the most recent LULC (Land Use Land…
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Gaza Strip captured from satellite
When the world blind but satellite “speak-up” clearly about the real situation faced by Gaza’s peoples. This image was acquired by Landsat 8 OLI on September 12, 2015. I used 4-3-2 band combination to highlight vegetation cover and dense-urbanized area of Gaza Strip, Palestine. It is clearly showed that Gaza is very dense environment with…
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What is Geoinformatics?
During my academic life, up to recently, my students sometime confuse with the following terms; Geoinformatics, Geomatics, Geoscience, GIS, etc. On this post I would like to make easier to understand the differences between them. Geoinformatics: according to Encyclopedia of Information Science and Technology, Third Edition (10 Volumes), Geoinformatics is referred to the academic discipline or career…