To help manage #surfacewater on roads, highway #drainage assets can include roadside #gullies, underground pipes and #culverts, pumping stations, #soakaways, ditches, and #SustainableDrainageSystems (#SuDS) such as #swales. 🌧️

Learn more about SuDS: thefloodhub.co.uk/wp-content/u...

Several long, thin and twisting gullies carved out in sand, seen from above. With text labels.

Researchers in The Netherlands have investigated unusual #gullies in Martian sand dunes that appear to be recent and dug deeply into the sand. How do they form? The researchers said blocks of carbon dioxide ice likely carved out the gullies. 🧊🔴🔭
More: buff.ly/zKNeqSS

📸 NASA/ JPL-Caltech/ UArizona.

The mountainous #Highlands of #Iceland under a #cloudy sky showcases an endless variety of #rugged #terrain, deep #gullies, and gentle #slopes.

joan-carroll.pixels.com/featured/mis...

#mountains #ravines #dramatic #wallart #travelphotography #BuyIntoArt #AYearForArt #giftideas @joancarroll

Mapping urban gullies in the Democratic Republic of the Congo - Nature An assessment at the scale of the Democratic Republic of the Congo shows that urban gullies are a growing problem, with 118,600 people displaced between 2004 and 2023.

#Gullies are causing havoc in #Africa - www.nature.com/articles/s41...