Hydrology

Hydrology is an international, peer-reviewed, open access journal on hydrology published monthly online by MDPI. The American Institute of Hydrology (AIH) and Japanese Society of Physical Hydrology (JSPH) are affiliated with Hydrology and their members receive discounts on the article processing charges.

• Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
• High Visibility: indexed within Scopus, ESCI (Web of Science), PubAg, GeoRef, and other databases.
• Journal Rank: JCR - Q2 (Water Resources) / CiteScore - Q1 (Oceanography)
• Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 16.5 days after submission; acceptance to publication is undertaken in 3.6 days (median values for papers published in this journal in the first half of 2026).
• Recognition of Reviewers: Reviewers whose reports are timely and of high quality receive an APC discount voucher for a future publication in an MDPI journal. Become a reviewer.
• Journal Clusters of Water Resources: Water, Journal of Marine Science and Engineering, Hydrology, Resources, Oceans, Limnological Review, Coasts and Hydropower.