Process-based hydrological models have a long history dating back to the 1960s. Criticized
by some as over-parameterized, overly complex, and difficult to use, a more nuanced view is …

Abstract The Prediction in Ungauged Basins (PUB) initiative of the International Association
of Hydrological Sciences (IAHS), launched in 2003 and concluded by the PUB Symposium …

Featured Application Distributed fibre optic sensors for geo-hydrological applications: a
comprehensive review about methodology, weaknesses, and strengths. Abstract Distributed …

We review recent advances in distributed fiber optic sensing (DFOS) and their applications.
The scattering mechanisms in glass, which are exploited for reflectometry-based DFOS, are …

Soil moisture is an essential climate variable influencing land–atmosphere interactions, an
essential hydrologic variable impacting rainfall–runoff processes, an essential ecological …

To promote the advancement of novel observation techniques that may lead to new sources
of information to help better understand the hydrological cycle, the International Association …

The newly-developed cosmic-ray method for measuring area-average soil moisture at the
hectometer horizontal scale is being implemented in the COsmic-ray Soil Moisture …

The contrast between the point‐scale nature of current ground‐based soil moisture
instrumentation and the ground resolution (typically> 102 km2) of satellites used to retrieve …

Accurate and continuous measurements of soil thermal and hydraulic properties are
required for environmental, Earth and planetary science, and engineering applications, but …

Hydrologic research is a very demanding application of fiber-optic distributed temperature
sensing (DTS) in terms of precision, accuracy and calibration. The physics behind the most …