Hydrological Research Letters is published to promote the rapid exchange and dissemination of information on hydrology and water resources. It covers all aspects of hydrology and water resources, including the study of hydrology and water resources in the physical and biological sciences, engineering, and the social and political sciences. Authors from around the world are encouraged to submit, and the editorial team decides whether to accept the manuscript for publication based on its topical appropriateness, originality, potential impact on society and science, and scientific merit.

A special emphasis is placed on the rapid publication process, which takes an average of about 10 weeks from submission to publication, providing a platform for researchers to quickly share their latest findings. In addition, the journal is published under an open access model, ensuring wide dissemination and high visibility of research results. Review articles in various fields are also published, as well as other information of interest to scientists, to encourage the communication and utilization of published results. In this way, HRL not only facilitates the dissemination of knowledge, but also provides an important place for researchers in hydrology and water resources around the world to exchange ideas and advance science.