Weather buoy tropical Pacific Ocean helped study the El Niño-Southern Oscillation. Moored weather buoys range from in diameter, while drifting buoys are smaller, with diameters of . Drifting buoys are the dominant form of weather buoy in sheer number, with 1250 located worldwide. Wind data from buoys has smaller error than that from ships. There are differences in the values of sea surface temperature measurements between the two platforms as well, relating to the depth of the measurement and whether or not the water is heated by the ship which measures the quantity. The first known proposal for surface weather observations at
Corvallis to the Sea Trail had more than 40,000 volunteer hours and $20,000 in donations. The effort began in 1974 but failed due to private property permission difficulties. In 2004, the C2C partnership was created and it proved able to work with Siuslaw National Forest officials. Corvallis to the Sea Trail Corvallis to the Sea Trail is a long hiking, bicycling, and equestrian trail in Western Oregon (United States) which links the Willamette Valley to the Pacific Ocean. It connects between Corvallis and Ona Beach. As of September 9, 2017, it is approximately 50% complete with the eastern half open and crosses a patchwork of