𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A physically-based model of the dispersion of splash droplets ejected from a water drop impact

✍ Scribed by Andrew C Wright

Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
859 KB
Volume
11
Category
Article
ISSN
0360-1269

No coin nor oath required. For personal study only.

✦ Synopsis

A model has been developed which predicts the dispersion of splash droplets produced by the impact of a water drop on a sloping soil surface. Experimental results of the ejection velocities and ejection angles of the splash droplets are generalized to a planar slope and the resulting splash distances are calculated taking into account the effects of air resistance. The predictions are presented in terms of the numbers of splash droplets from the impact point to surrounding squares arranged in a grid on the slope.

The model explains many experimentally observed features of raindrop splash in terms of the mechanics of the processes involved and can make predictions of the effects of slope, wind, raindrop size, and soil properties on droplet dispersion. The component of the raindrop velocity parallel to the surface of the slope is identified as the main factor determining the degree and the direction of the asymmetry in the splash droplet dispersion.

By combining the model with a theory of the entrainment of soil in the splash droplets it is possible to extend it to predict the, dispersion of soil particles by raindrop impact, which is the basis of a model of soil erosion by rainsplash.

📜 SIMILAR VOLUMES

Development and application of a physica
Development and application of a physically based landscape water balance in the SWAT model
✍ Eric D. White; Zachary M. Easton; Daniel R. Fuka; Amy S. Collick; Enyew Adgo; Ma 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 624 KB

## Abstract Watershed scale hydrological and biogeochemical models rely on the correct spatial‐temporal prediction of processes governing water and contaminant movement. The Soil and Water Assessment Tool (SWAT) model, one of the most commonly used watershed scale models, uses the popular curve num

Modelling water erosion in the Sahel: ap
Modelling water erosion in the Sahel: application of a physically based soil erosion model in a gentle sloping environment
✍ S. M. Visser; G. Sterk; D. Karssenberg 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 715 KB

## Abstract Water is a major limiting factor in arid and semi‐arid agriculture. In the Sahelian zone of Africa, it is not always the limited amount of annual rainfall that constrains crop production, but rather the proportion of rainfall that enters the root zone and becomes plant‐available soil mo

Geostatistics for assessing the efficien
Geostatistics for assessing the efficiency of a distributed physically-based water quality model: application to nitrate in the Seine River
✍ Edwige Polus; Nicolas Flipo; Chantal de Fouquet; Michel Poulin 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 730 KB

## Abstract This article shows how geostatistics can be used to reduce distributed physically based model (DPBM) uncertainties when assessing nitrate concentrations along a 250‐km stretch of the Seine River. First of all, co‐kriging is used to build a set of boundary conditions (BCs) (inlet concent