Our detailed tutorial gives the basic skills you’ll need to identify fish and judge their size, locate different types of underwater features.
“You may need a lower tide to locate the beds because the lower the tide and the clearer the water, the easier you can see how that area is laying out,” Mah said. “Forward-facing sonar like the Lowrance ActiveTarget I use can help you find little depressions and indentations along ...
The splashdown on his return nearly killed him, but he was able to find rescue from naval helicopters while his spacecraft sunk 15,000 feet to the bottom of the ocean. Fast-forward 38 years later, when Discovery Channel's civilian underwater salvage team was able to bring the capsule to ...
manmade noise is destroying whales' ability to make sense of their environment. Whales send out sounds and use the information that bounces back to "see" the ocean. They can determine where to find everything from nearby prey to navigational obstacles in ...
MIR ONE AND TWO 5 MINUTES LATER: THE TWO SUBS skim over the seafloor to the sound of sidescan sonar and the THRUM of big thrusters. 6 The featureless gray clay of the bottom unrols in the lights of the subs. Bodine is watching the sidescan sonar display, where the outline of a ...
Bats, who hunt at night, use echolocation to find their prey, too. First, the whale has to produce a sound. Toothed whales don't have anything exactly like our vocal cords, although they have similar structures. It's thought that they produce their sounds in their nasal passages [source:...
made them an easy target for people looking to exterminate bats, since they're easy to find and whole colonies can be wiped out at one time. The gray-myotis population has dropped sharply over the last hundred years, but it is now on the rise again thanks to government conservation ...
XebiaLabs builds a set of tools to automate the pipeline and simplify the job of managing Jenkins and the various plugins. When teams start adding many of them, the build-test-deploy cycle can grow very complex. "Many teams try to use tools like Jenkins to manage the execution of tests th...
Struggling to find GIS projects for you or your students?Read the list. Not sure what to say when someone asks what GIS can really do?Read the list. Looking to diversify your business and services?Read the list. One year in the making, these are some of your favorite GIS applications yo...
During a tunnel inspection where visibility is poor, the ROV should ideally be fitted with a sonar to provide 360° visualisation and mapping. The DT360 from Imagenex would be well suited to the task because of its ability to scan 360° horizontally with a relatively narrow beam width, as ...