Journal profile · Environmental Science-Water Science and Technology
Journal of Hydrology X
ISSN 2589-9155 · Elsevier · Netherlands
Journal of Hydrology X: CAS Zone 3 · Environmental Science & Ecology (2025 upgraded edition); impact factor 4.1 (journal website); fully open access; APC about USD 2,500; review about 113 days (submission to acceptance, publisher); 12 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Journal of Hydrology X is published by Elsevier and is in Zone 3 of Environmental Science & Ecology in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Hydrology and Watershed Management Studies, Flood Risk Assessment and Management and Groundwater flow and contamination studies, together about 40.3% of its articles. Its main subfields are Global and Planetary Change and Environmental Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Journal of Hydrology X is a gold open access journal publishing original research papers featuring high-quality, timely, and impactful hydrology across natural sciences, engineering, and society. The journal welcomes submissions of global relevance, including hydrological science and water-related hazards, water management and policy, climate impacts on water systems, and innovations in water use and reuse that contribute to global sustainable development goals.Building on this broad foundation, Journal of Hydrology X places particular emphasis on four emerging and high-priority areas that define the frontier of modern hydrology:Artificial Intelligence and Machine Learning in Hydrology – novel applications of AI, machine learning, and deep learning methods to hydrological modelling, prediction, and decision-making.Computational Hydrology – advanced numerical modelling, simulation, and data-driven approaches to understanding hydrological processes at all scales.Remote Sensing and Big Data Hydrology – innovative use of satellite observations, sensor networks, and large-scale datasets to advance hydrological science and practice.Extraterrestrial and Planetary Hydrology – an emerging frontier exploring water cycles, hydrological processes, and water-related phenomena beyond Earth, including on other planets and moons.In addition to full-length research articles, the journal publishes editorials, letters, perspectives, and news pieces. For guidance on article types, please see the relevant section in the Guide for Authors.Journal of Hydrology X is part of the Journal of Hydrology family of journals, alongside Journal of Hydrology and Journal of Hydrology: Regional Studies.
From the journal's Aims & Scope
Research area (LetPub): Environmental Science-Water Science and Technology
Editor-in-chief Yang HongPublisher website
Editorial board by country: 4 in mainland China (about 27%); most named United States 5, Mainland China 4, Australia 4, Italy 2 (15 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Hydrology and Watershed Management StudiesEnvironmental Science21.6%
- Flood Risk Assessment and ManagementEnvironmental Science12%
- Groundwater flow and contamination studiesEnvironmental Science6.6%
- Climate variability and modelsEnvironmental Science6.4%
- Hydrology and Drought AnalysisEnvironmental Science5.7%
- Groundwater and Isotope GeochemistryEarth and Planetary Sciences5.2%
- Hydrological Forecasting Using AIEnvironmental Science4.4%
- Water resources management and optimizationEngineering3.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Environmental Science & Ecology Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Environmental Science & Ecology | Zone 3 |
| Minor | Water Resources | Zone 3 |
| Minor | Geosciences, Multidisciplinary | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Environmental Science & Ecology Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Environmental Science & Ecology | Zone 3 |
| Minor | Geosciences, Multidisciplinary | Zone 3 |
| Minor | Water Resources | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor (publisher)
- 4.1Publisher website ·
- CiteScore 2026-06
- 7.3LetPub ·
- CiteScore (publisher)
- 7.3Publisher website ·
- SJR 2026-06
- 1.04LetPub ·
- SNIP 2026-06
- 1.1LetPub ·
- h-index
- 30OpenAlex ·
- i10-index
- 89OpenAlex ·
- 2-year mean citedness
- 4.31OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 8LetPub ·
Articles by year OpenAlex count · 187 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 16 | 16 | 3 |
| 2025 | 12 | 12 | 42 |
| 2024 | 26 | 26 | 188 |
| 2023 | 19 | 19 | 152 |
| 2022 | 26 | 26 | 389 |
| 2021 | 24 | 24 | 277 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Publisher-reported review time from the journal's website
113 dayssubmission to acceptance · community reports about 25 weeks
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- about 25 weeksLetPub ·
- Submission to first decision
- 3 daysPublisher website ·
- First decision after review
- 48 daysPublisher website ·
- Submission to acceptance
- 113 daysPublisher website ·
- Acceptance to publication
- 3 daysPublisher website ·
- Submission to publication (journal-reported)
- about 25 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 2,500 | Yes | CC BY, CC BY-NC, CC BY-NC-ND | |
| OpenAlex | USD 2,300 / EUR 2,150 / GBP 1,840 / JPY 285,270 | — | — | |
| LetPub | USD 1,800 | Yes | — | |
| Publisher website | USD 2,790 | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare1 items from the author guidelines
- Abstract
- ≤ 250 words
Article types accepted11, with length limits
- case studyJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…Length not stated
- commentsJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Length not stated
- letterJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…Length not stated
- lettersJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Length not stated
- news piecesJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Length not stated
- opinionJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…Length not stated
- original researchJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…Length not stated
- original research paperJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…Length not stated
- original research papersJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Length not stated
- perspectiveJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Original research papers in all the subfields of the…main text ≤ 2,000 words
- perspectivesJournal of Hydrology X publishes Original research papers, Letters, Perspectives, Comments, and News pieces.Length not stated
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Data availability, License & copyright, Open access, Peer review, Preprints
- AI use Declaration of generative AI use
Authors must declare the use of generative AI tools in the manuscript preparation process upon submission of the paper.Generative AI and AI-assisted technologies (“AI tools”) have been rapidly adopted in research and scholarly publishing, offering significant benefits while requiring clear standards for responsible and transparent use.Authors preparing a manuscript for this journal may use AI tool…
Source ↗Publisher website ·- Authorship Group authorship
Group authorship refers to the attribution of an article to a defined and named group of authors whose members have contributed to the work. Examples include research consortia, clinical trial groups, collaborative networks, task forces or working groups, expert panels or consensus groups, and participatory research groups. Group authorship must be declared on the title page at submission. When av…
Source ↗Publisher website ·- Conflicts of interest Declaration of competing interests
All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence or bias their work. Examples of potential competing interests include:EmploymentConsultanciesStock ownershipHonorariaPaid expert testimonyPatent applications or registrationsGrants or any other fundingAffiliation with the journal as an Editor or Advisory Board …
Source ↗Publisher website ·- Data availability
Data statement required at submission Model summary
To foster transparency, you are required to state the availability of any data at submission.
Source ↗Publisher website ·- License & copyright License options
Authors will be offered open access user license options which will determine how you, and third parties, can reuse your open access article. We advise that you review these options and any funding body license requirements before selecting a license option.
Source ↗Publisher website ·- Open access Open access
We refer you to our open access information page to learn about open access options for this journal.
Source ↗Publisher website ·- Peer review Peer review
Single anonymized review process Model summary
This journal follows a single anonymized review process. Your submission will initially be assessed by our editors. If your submission is deemed suitable, it will typically be sent to be reviewed by a minimum of two reviewers for an independent expert assessment of the scientific quality. The decision as to whether your article is accepted or rejected for publication will be made by our editors.Re…
Source ↗Publisher website ·- Preprints Preprints
Preprint sharing allowed Model summary
Preprint sharingAuthors may share preprints in line with Elsevier's article sharing policy. Sharing preprints, such as on a preprint server, will not count as prior publication.We advise you to read our policy on multiple, redundant or concurrent publication. In support of Open Science, this journal offers its authors a free preprint posting service on SSRN, Elsevier’s preprint and early research …
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Elsevier
- Country or region
- Netherlands
- Language
- English
- ISSN
- 2589-9155
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Journal of Hydrology X
What CAS zone is Journal of Hydrology X in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Hydrology X is in Zone 3 of Environmental Science & Ecology, and in Zone 3 of the minor category Water Resources / Geosciences, Multidisciplinary. In the 2026 Xinrui edition it is in Zone 3 of Environmental Science & Ecology. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Hydrology X?
The journal's website gives an impact factor of 4.1; this is the journal's own figure, as LetPub lists none for it; CiteScore 7.3, h-index 30.
How long does peer review take at Journal of Hydrology X?
The publisher reports about 113 days (submission to acceptance); authors report an average review time of about 25 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Where are the editorial board members of Journal of Hydrology X based?
Of the 15 board members whose country the journal's board page names, 4 (about 27%) are in mainland China; the countries named most often are United States (5), Mainland China (4) and Australia (4). Counted from the institutions listed on the board page; for reference only.
Which databases index Journal of Hydrology X?
According to LetPub and DOAJ records, Journal of Hydrology X is indexed in ESCI, Scopus and DOAJ.
Is Journal of Hydrology X open access, and what is the APC?
Journal of Hydrology X is a fully open-access journal. APC about USD 2,500.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .