Juntai Han

Abstract Climate warming reduces snow cover in cold regions, altering snowmelt flood regimes with significant hydrological and ecological consequences. Existing evidence indicates that as climate warms, snowmelt tends to begin earlier in the season, leading to earlier snowmelt floods. Here we show that the timing of snowmelt floods can be either advanced or delayed under warming.

replying to: W. R. Berghuijs & K. Hale Nature https://doi.org/10.1038/s41586-024-08523-5 (2025). In their accompanying Comment, Berghuijs and Hale1 argue that comparing streamflow timing between periods with high and low snowfall fractions is a misleading analogy for studying the effects of climate warming on streamflow timing trends2.

Abstract Transpiration (T) is pivotal in the global water cycle, responding to soil moisture, atmospheric stress, climate changes, and human impacts. Therefore, establishing a reliable global transpiration dataset is essential. Collocation analysis methods have been proven effective for assessing the errors in these products, which can subsequently be used for multisource fusion. However, previous results did not consider error cross-correlation, rendering the results less reliable.