Weather or not—Global climate databases: Reliable on tropical mountains?

Methodology: Andreas Hemp. Project administration: Andreas Hemp. Resources: Andreas Hemp. Software: Judith Hemp. Supervision: Andreas Hemp. Validation: Andreas Hemp. Writing – original draft: Andreas Hemp. Writing – review & editing: Andreas Hemp, Judith Hemp. References 1. Hijmans RJ, Condori B, Carillo R, Kropff MJ. A quantitative and constraint-specific method to assess the potential impact of new agricultural technology: the case of frost resistant potato for the Altiplano (Peru and Bolivia). Agricult Syst 2003; 76: 895–911. 2. Karger DN, Wilson AM, Mahony C, Zimmermann NE, Jetz W. Global daily 1 km land surface precipita- tion based on cloud cover-informed downscaling. Sci Data 2021; 8: 307. https://www.nature.com/ articles/s41597-021-01084-6. 3. Menne MJ, Durre I, Korzeniewski B, McNeill S, Thomas K, Yin Xet al. Global Historical Climatology Net- work—Daily (GHCN-Daily), Version 3. NOAA National Climatic Data Center. https://doi.org/10.7289/ V5D21VHZ (2012) (accessed 31 July 2023). 4. Dieulin C, Mahe´ G, Paturel J-E, Ejjiyar S, Tramblay Y, Rouche´ N, EL Mansouri B. A New 60-year 1940/ 1999 Monthly-Gridded Rainfall Data Set for Africa. Water 2019; 11: 387. 5. Harris I, Osborn TJ, Jones P, Lister D. Version 4 of the CRU TS monthly high-resolution gridded multi- variate climate dataset. Sci Data 2020; 7: 1–18. 6. Hersbach H, de Rosnay P, Bell B, Schepers D, Simmons A, Soci C et al. Operational global reanalysis: progress, future directions and synergies with NWP. ERA Report Series 2018. https://doi.org/10.21957/ tkic6g3wm

7. Hijmans RJ, Cameron SE, Parra JL, Jones PG, Jarvis A.Very high resolution interpolated climate sur- faces for global land areas. Int J Climatol 2005; 25: 1965–1978. 8. Liu Z, Liu Y, Wang S, Yang X, Wang L, Baig MHA, Chi W, Wang Z. Evaluation of spatial and temporal performances of ERA-Interim precipitation and temperature in mainland China. J Clim 2018; 31: 4347– 4365. 9. Fick SE, Hijmans RJ. WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas. Int J Climatol 2017; 37: 4302–4315. 10. Karger DN, Brun PB, Zimmermann E. Climatologies at high resolution for the earth’s land surface areas. EnviDat 2021b. https://doi.org/10.16904/envidat.228.v2.1. 11. Volkens G., 1897. Der Kilimandscharo. Darstellung der allgemeineren Ergebnisse eines fu¨nfzehnmona- tigen Aufenthalts im Dschaggalande. Berlin: Reimer; 1897. 12. Widenmann A. Die Kilimandscharo-Bevo¨lkerung. Anthropologisches und Ethnographisches aus dem Dschaggalande. Petermanns geographische Mitteilungen, Erga¨ nzungs-Heft 1899; 129: 1–105. 13. Appelhans T, Mwangomo E, Otte I, Detsch F, Nauss T, Hemp A. Eco-meteorological characteristics of the southern slopes of Kilimanjaro, Tanzania. Int J Climatol 2016; 36: 3245–3258. 14. Hemp A. Continuum or zonation? Altitudinal gradients in the forest vegetation of Mt. Kilimanjaro. Plant Ecol 2005a; 84(1): 27–42. 15. Hemp A, Hemp C. Broken bridges. The isolation of Kilimanjaro’s ecosystem. Glob Change Biol 2018. https://doi.org/10.1111/gcb.14078 PMID: 29504230

16. Hemp A. Ecology of the pteridophytes on the southern slopes of Mt. Kilimanjaro. Part II: Habitat selec- tion. Plant Biol 2001; 3: 493–523. 17. Hemp A. Vegetation of Kilimanjaro: hidden endemics and missing bamboo. Afr J Ecol 2006; 44: 305– 328. https://doi.org/10.1111/j.1365-2028.2006.00679.x 18. Otte I, Detsch F, Mwangomo E, Hemp A, Appelhans T, Nauss T. Multidecadal Trends and Interannual Variability of Rainfall as Observed from Five Lowland Stations at Mt. Kilimanjaro, Tanzania. J. Hydro- meteor. 2017; 18: 349–361. PLOS ONE Global climate datasets on tropical mountains PLOS ONE | https://doi.org/10.1371/journal.pone.0299363 March 13, 2024 11 / 12