Skip to main content

Advertisement

Log in

Rapid comparison of precipitation data between satellite and in situ observations

  • Published:
Environmental Monitoring and Assessment Aims and scope Submit manuscript

Abstract

The agriculture sector responsible for global food and nutrition security has an urgent need to examine climatic trends so that adaptations can be exercised in advance. Freely available dataset from satellite sources can greatly ease rainfall analysis, especially for smallholder farmers who typically operate under limited resources. Tests to determine their accuracy, however, are so far not deployed in tropical Southeast Asia. We compared in situ observations with dataset from the Global Satellite Mapping of Precipitation (GSMaP) and the Prediction of Worldwide Energy Resources (POWER) in two sites located 180 km apart in the tropical Malay Peninsula for 30 days. We found that in situ precipitation values were markedly overestimated by GSMaP (34.9–67.5%) and POWER (180.5–289.2%), and the possible reasons are discussed. Nonetheless, we conclude that GSMaP remains the best hope for smallholder farmers and its dataset can still be used under the precaution of error margins determined by the practical method described herein.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Data availability

The datasets generated are available from the corresponding author on reasonable request.

References

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Casey Keat-Chuan Ng.

Ethics declarations

Conflict of interest

The authors declare no competing interests.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Ng, C.KC., Kong, R.WH., Foo, GH. et al. Rapid comparison of precipitation data between satellite and in situ observations. Environ Monit Assess 195, 228 (2023). https://doi.org/10.1007/s10661-022-10789-z

Download citation

  • Received:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s10661-022-10789-z

Keywords

Navigation