Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Developing High-Resolution Gridded Rainfall and Temperature Data for Bangladesh: The ENACTS-BMD Dataset

Version 1 : Received: 17 December 2020 / Approved: 18 December 2020 / Online: 18 December 2020 (13:29:38 CET)

How to cite: Acharya, N.; Faniriantsoa, R.; Rashid, B.; Sultana, R.; Montes, C.; Dinku, T.; Hassan, S. Developing High-Resolution Gridded Rainfall and Temperature Data for Bangladesh: The ENACTS-BMD Dataset. Preprints 2020, 2020120468 (doi: 10.20944/preprints202012.0468.v1). Acharya, N.; Faniriantsoa, R.; Rashid, B.; Sultana, R.; Montes, C.; Dinku, T.; Hassan, S. Developing High-Resolution Gridded Rainfall and Temperature Data for Bangladesh: The ENACTS-BMD Dataset. Preprints 2020, 2020120468 (doi: 10.20944/preprints202012.0468.v1).

Abstract

This manuscript describes the construction and validation of high resolution daily gridded (0.05° × 0.05°) rainfall and maximum and minimum temperature data for Bangladesh : the Enhancing National Climate Services for Bangladesh Meteorological Department (ENACTS-BMD) dataset. The dataset was generated by merging data from weather stations, satellite products (for rainfall) and reanalysis (for temperature). ENACTS-BMD is the first high-resolution gridded surface meteorological dataset developed specifically for studies of surface climate processes in Bangladesh. Its record begins in January 1981 and is updated in real-time monthly and outputs have daily, decadal and monthly time resolution. The Climate Data Tools (CDT), developed by the International Research Institute for Climate and Society (IRI), Columbia University, is used to generate the dataset. This data processing includes the collection of weather and gridded data, quality control of stations data, downscaling of the reanalysis for temperature, bias correction of both satellite rainfall and downscaled reanalysis of temperature, and the combination of station and bias-corrected gridded data. The ENACTS-BMD dataset is available as an open-access product at BMD’s official website, allowing the enhancement of the provision of services, overcoming the challenges of data quality, availability, and access, promoting at the same time the engagement and use by stakeholders.

Subject Areas

climate data; gridded product; data merging

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