Flood Frequency Mapping using JRC Dataset for the Hindu-Kush Himalaya

Dataset used: JRC Monthly Water History v1.0 (1984-2015). The google earth engine id is 'JRC/GSW1_0/MonthlyHistory'. The highlight of this dataset is Band Name Label water 0 = no data 1 = not water 2 = water The datasets are available only up to 2015. To learn more about the dataset, please see this Nature, 2016 …

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Fix to GeoServer not starting after Java Update

I updated the Java on my windows machine, and later tried to open up my GeoServer. To my surprise, it was not starting. Since GeoServer is built upon Geotools, which is an open-source Java toolkit, it depends upon your Java Runtime Environment better known as JRE. After the update of the JRE, 'Start GeoServer' is …

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Converting Satellite Imagery to Tile Map Service

Converting an satellite image to TMS is relatively easy, especially if you are using powerful GDAL library. GDAL has binding in Python which I will be using in this post. Install the OSGeo4W for windows. For linux, you can use OSGeoLive which has everything that OSGeo4W has. For more information on linux equivalent to OSGeo4W, …

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Building capacity on Common Alerting Protocol for Nepal

Department of Hydrology and Meteorology (DHM) Nepal is in the process of operationalizing the Common Alerting Protocol (CAP) v 1.2 -enabled Sahana Alerting and Messaging Broker (SAMBRO): DHM Nepal Warning and Situational-Awareness System. I have been working closely with friends from DHM in helping to get the system up and running. DHM is expected to …

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Extending SAMBRO for HydroMet Warnings in Nepal

Sahana Alerting and Messaging Broker (SAMBRO) has been accepted by Department of Hydrology and Meteorology (DHM) for disseminating warnings Nepal. I am setting up the system in their office and customizing it to meet their needs. SAMBRO will be hosted in the DMH main office in Kathmandu. National Emergency Operations Center (NEOC) will also be …

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