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End of the Day (EOD) Judgment for Daily Rain-Gauge Data

Graduate School of Science and Technology, Hirosaki University, Hirosaki 036-8152, Japan
Indian Institute of Tropical Meteorology (IITM), Pune 411 008, India
NOAA/Climate Prediction Center, College Park, MD 20740, USA
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(8), 772;
Received: 27 June 2020 / Revised: 14 July 2020 / Accepted: 17 July 2020 / Published: 22 July 2020
Several versions of Asian Precipitation-Highly-Resolved Observational Data Integration Towards Evaluation of Extreme Events (APHRODITE-2) have been released for analyzing rain-gauge-based daily precipitation. APHRODITE-2 constitutes an improvement compared with the previous versions for evaluating extreme precipitation. One advantage of APHRODITE-2 products (versions 1801R1 and 1901) over APHRODITE-1 products is the ability to ensure uniformity in the daily accumulation period (end of the day, EOD) used in a specific domain. To create these EOD segregated or EOD adjusted products, we applied an EOD judgment scheme using multi-satellite merged precipitation products CMORPH V1.0 and ERA-Interim reanalysis. The novelty of the current methodology was tested against rain-gauge datasets with known EOD information. Despite the difference in horizontal resolution, ERA-Interim shows similar EOD detection performance to CMORPH. However, CMORPH showed better performance over India than ERA-Interim. The current method has potential to judge EOD of rain-gauge station data with an unknown observation time. Having prior EOD information as metadata is very important for gridded datasets as well as station data. Here, we also present deterministic/estimated EOD that we used for V1801R1 over Monsoon Asia. View Full-Text
Keywords: APHRODITE; precipitation; accumulation period; GSOD; CMORPH; ERA-Interim APHRODITE; precipitation; accumulation period; GSOD; CMORPH; ERA-Interim
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MDPI and ACS Style

Yatagai, A.; Maeda, M.; Khadgarai, S.; Masuda, M.; Xie, P. End of the Day (EOD) Judgment for Daily Rain-Gauge Data. Atmosphere 2020, 11, 772.

AMA Style

Yatagai A, Maeda M, Khadgarai S, Masuda M, Xie P. End of the Day (EOD) Judgment for Daily Rain-Gauge Data. Atmosphere. 2020; 11(8):772.

Chicago/Turabian Style

Yatagai, Akiyo, Mio Maeda, Sunilkumar Khadgarai, Minami Masuda, and Pingping Xie. 2020. "End of the Day (EOD) Judgment for Daily Rain-Gauge Data" Atmosphere 11, no. 8: 772.

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