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imc-precip-iso: open monthly stable isotope data of precipitation over the Indonesian Maritime Continent

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Abstract

Stable isotopes, δ2H, δ18O, and d-excess, are valuable tools as natural tracers of diffusion processes and phase changes in the global hydroclimatological cycle. The Indonesian Maritime Continent (IMC) is an archipelago area surrounded by very warm waters which induce convective activities as the primary heat source driving global atmospheric circulation. Given the central role of IMC in this hydroclimatological cycle, comprehensive study, and data collection on the stable isotopes of precipitation in this region is crucial. In this study, we collected monthly stable isotope data from 62 stations spread throughout the Indonesian archipelago from September 2010 to September 2017. We cleaned the data and conducted quality control activities by comparing the Local Meteoric Water Line (LMWL) to previous studies in a similar climatic region. We shared these data openly on our GitHub repository, making them easier to update and interact with users in the future.

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Code and data availability

All relevant code and data are available from this GitHub repository: https://github.com/sandyherho/imc-precip-iso.

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Acknowledgements

We are grateful to Michael N. Evans (UMD) for discussing fractionation on precipitation isotopes in the tropics, which was useful in producing these data.

Funding

This study was supported by ITB Research, Community Service and Innovation Program (PPMI-ITB 2022 and 2023) and Japan Society for the Promotion of Science (JSPS) KAKENHI (#24510256 and #16H05619).

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Correspondence to Sandy Herho.

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Suwarman, R., Herho, S., Belgaman, H. et al. imc-precip-iso: open monthly stable isotope data of precipitation over the Indonesian Maritime Continent. J. of Data, Inf. and Manag. (2024). https://doi.org/10.1007/s42488-024-00116-1

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  • DOI: https://doi.org/10.1007/s42488-024-00116-1

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