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The MOXXI Working Group promotes the advancement of novel observational techniques that generate new sources of information for understanding the hydrological cycle. Established within IAHS, MOXXI provides a collaborative platform to share, test, discuss, benchmark, and improve hydrological observation methods across disciplines and application domains. Building on rapid progress in sensing technologies, remote sensing, imaging, automation, and data science, MOXXI aims to connect researchers and practitioners working at the frontier of hydrological monitoring.
New initiative: MOXXI in Hydrological Sciences Journal
We are pleased to highlight a major new MOXXI initiative: the Hydrological Sciences Journal collection
“MOXXI: New Frontiers in Hydrological Observation.” This collection provides a dedicated editorial space for high-quality contributions addressing innovation in hydrological measurements and observations, with particular emphasis on emerging tools, methods, and interdisciplinary approaches for observing hydrological processes.
The collection reflects the core vision of MOXXI: to consolidate advances in hydrological observation, promote methodological rigor, and accelerate the transfer of innovative techniques into hydrological science and practice. It also strengthens the visibility of research on next-generation monitoring systems, including image-based methods, remote sensing, non-contact measurements, AI-supported analysis, and observation strategies for difficult or data-scarce environments.
Recent papers associated with the collection show the breadth of this initiative, including contributions on image-based river monitoring, fully non-contact discharge measurements in shallow flows, remote-sensing and AI approaches to river discharge monitoring, and the influence of remotely sensed wetland information in hydrological analysis.
Explore the collection here:
MOXXI: New Frontiers in Hydrological Observation
Why this initiative matters
Hydrology is undergoing a major transformation driven by innovations in low-cost sensing, unmanned systems, satellite remote sensing, computer vision, data assimilation, and machine learning. At the same time, many hydrological regions remain poorly gauged, and many operational challenges require more flexible, scalable, and affordable monitoring approaches. MOXXI was created to address exactly this gap: fostering innovation while improving the robustness, comparability, and usability of observational methods.
This new journal collection represents an important step forward by providing a visible, peer-reviewed venue where the hydrological community can publish and access advances in observation science. It helps define a clear scientific identity for this field within Hydrological Sciences Journal and reinforces MOXXI’s role as a catalyst for innovation in hydrological monitoring.
Get involved
MOXXI welcomes researchers, practitioners, and early-career scientists interested in advancing hydrological observations. You can engage with MOXXI by:
- joining the working group and updating your information [JOIN NOW];
- exploring the Zotero-based publication repository;
- participating in MOXXI events, meetings, and schools;
- organizing or contributing to conference sessions on hydrological observations;
- reading and submitting relevant work to the HSJ MOXXI collection.
Our Community Papers
Tauro et al. (2018), Measurements and Observations in the XXI century (MOXXI): innovation and multi-disciplinarity to sense the hydrological cycle, Hydrological Sciences Journal.
Manfreda et al. (2024), Advancing river monitoring using image-based techniques: challenges and opportunities, Hydrological Sciences Journal.
For any other request, feel free to contact the MOXXI Chair: Salvatore Manfreda