Web Mercator is different than Mercator projection
The use of mobile apps and online maps is increasing. Everybody has access to and uses online map services such as google maps, stree...Read More
Tropical storms: Hurricanes, Typhoon, Clycones
Last week the Caribean islands, America and Gulf of Mexico experienced 3 Hurricanes in a row. At the same time, important Typhoons are d...Read More
Intercontinental Ballistic Missiles
During the last months we heard (and read) a lot of news about ballistic missiles and potential threads of North Korea testing Inter...Read More
Online hydraulic design and calculations
The advance in mobile apps and internet accessibility changed the way we socialize and the way we work: Sharing information, instant co...Read More
Precipitation intensity for highway & bridge drainage design
Drainage projects usually consider a precipitation intensity based on the time of concentration and the return period. However, when de...Read More
Bridge collapse (Peru) & stream bank erosion
Last days a video of a bridge collapse in Lima (Peru) became viral. The video shows the moment when the scour of a bridge gets scoured and...Read More
Automating HEC-RAS tool
Some years ago, (early 2010) I found a way to break the RAS code and to automate some features of HEC-RAS. Thus, I was able to perform sequ...Read More
Bridge monitoring with satellite data SAR
Civil infrastructure is vital for supporting our life style and economy. However, the prolongued expossure to outdoor weather conditions an...Read More
Oroville dam disaster observed by satellite images
Last days we had several news about the Oroville dam. In this post I will not describe the details of this natural disaster because there a...Read More
10 countries that deforest the most
A forest is an ecosystem; a community of plants and animals interacting with one another and with the physical environment. We depend on fo...Read More
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