Be aware that whatever the season, if you're at a high altitude, the weather can change quickly and dramatically. Temperatures The coldest month in Austria is usually January.
However, while many (but not all) canyons are found offshore from major rivers, subaerial river erosion cannot have been active to the water depths as great as 3000 meters where canyons have been mapped, as it is well established (by many lines of evidence) that sea levels did not fall to those depths.anyons cutting the continental slopes have been found at depths greater than 2 km below sea level. Many submarine canyons continue as submarine channels across continental rise areas and may extend seawards for hundreds of kilometres onto the abyssal plain.
How was the Grand Canyon Formed. According to scientific evidence, the Grand Canyon was created about 6 million years ago by the Colorado River. Advertisement. The Grand Canyon is a deep valley located in the Colorado Plateau, in the Arizona State, USA.Though it is not the deepest canyon, it is well-known all over the world for its massive size and colorful landscape.dvertisement. The Grand Canyon is a deep valley located in the Colorado Plateau, in the Arizona State, USA. Though it is not the deepest canyon, it is well-known all over the world for its massive size and colorful landscape.