Threshold constraints on the size, shape and stability of alluvial rivers

CB Phillips, CC Masteller, LJ Slater… - Nature Reviews Earth & …, 2022 - nature.com
The geometry of alluvial river channels both controls and adjusts to the flow of water and
sediment within them. This feedback between flow and form modulates flood risk, and the …

Deep learning and data fusion to estimate surface soil moisture from multi-sensor satellite images

A Singh, K Gaurav - Scientific Reports, 2023 - nature.com
We propose a new architecture based on a fully connected feed-forward Artificial Neural
Network (ANN) model to estimate surface soil moisture from satellite images on a large …

What sets river width?

KBJ Dunne, DJ Jerolmack - Science advances, 2020 - science.org
One of the simplest questions in riverine science remains unanswered:“What determines the
width of rivers?” While myriad environmental and geological factors have been proposed to …

Flood hazard and risk zonation in north Bihar using satellite-derived historical flood events and socio-economic data

G Tripathi, AC Pandey, BR Parida - Sustainability, 2022 - mdpi.com
North Bihar is one of the most flood-affected regions of India. Frequent flooding caused
significant loss of life and severe economic damages. In this study, hydroclimatic conditions …

[HTML][HTML] Machine learning to estimate surface roughness from satellite images

A Singh, K Gaurav, AK Rai, Z Beg - Remote Sensing, 2021 - mdpi.com
We apply the Support Vector Regression (SVR) machine learning model to estimate surface
roughness on a large alluvial fan of the Kosi River in the Himalayan Foreland from satellite …

Laboratory rivers: Lacey's law, threshold theory, and channel stability

F Métivier, E Lajeunesse… - Earth Surface …, 2017 - esurf.copernicus.org
More than a century of experiments have demonstrated that many features of natural rivers
can be reproduced in the laboratory. Here, we revisit some of these experiments to cast their …

Developing process-based geomorphic indicators for understanding river dynamics of a highly braided system: Implications for designing resilience based …

C Pradhan, KK Nandi, R Bharti, S Dutta - Catena, 2023 - Elsevier
The present paper utilizes the Google Earth Engine (GEE) cloud computing platform and
hydro-morphological dataset to understand the complex process-form relationships of the …

Study of morphological changes and socio-economic impact assessment: a case study of Koshi River

PJ Omar, SP Rai, H Tiwari - Arabian Journal of Geosciences, 2022 - Springer
Abstract The Koshi River is a dynamic river; due to its frequent course change, it presents a
challenge in terms of long and recurring flood hazard. The braiding pattern can be easily …

[HTML][HTML] Evidence of, and a proposed explanation for, bimodal transport states in alluvial rivers

KBJ Dunne, DJ Jerolmack - Earth Surface Dynamics, 2018 - esurf.copernicus.org
Gravel-bedded rivers organize their bank-full channel geometry and grain size such that
shear stress is close to the threshold of motion. Sand-bedded rivers, on the other hand …

[HTML][HTML] Drainage congestion due to road network on the Kosi alluvial Fan, Himalayan Foreland

A Singh, MN Naik, K Gaurav - … Journal of Applied Earth Observation and …, 2022 - Elsevier
We use surface soil moisture content as a proxy to assess the effect of drainage congestion
due to structural barriers on the alluvial Fan of the Kosi River on the Himalayan Foreland …