Knowledge of sea-ice thickness and volume depends on freeboard observations from satellite altimeters and in turn on information of snow mass and sea-ice density required for the freeboard-to-thickness conversion.These parameters, especially sea-ice density, are usually based on climatologies constructed from in situ observations made in the 1980s
With the increasing popularity of social network platforms such as Twitter and Sina Weibo, a lot of malicious users, also known as social spammers, disseminate illegal information to normal users.Several approaches are proposed to detect spammers by training sigma kappa graphics a classifier with optimization methods and mainly using content and so
Eradication and control methods to limit damage caused to native biota in New Zealand by the stoat (Mustela erminea) rely on effective lures for trapping and detection devices, such as cameras.Long-life semiochemical lures have the potential for targeting stoats in situations where food-based lures are of limited success.The attractiveness of body