منابع مشابه
Snowcat Track Detection in Snowy Environments∗
This paper describes the image processing techniques designed to localize tracks of snowcats for the Italian mission in Antarctica within the ENEA R.A.S. (Surface Antarctic Robot) project for the autonomous driving of intelligent snowcats. The final goal is to enable snowcats to automatically follow preceding ones. A camera is used to acquire images of the scene in realtime; the image sequence ...
متن کاملDisturbance to wintering western snowy plovers
In order to better understand the nature of disturbances to wintering snowy plovers, I observed snowy plovers and activities that might disturb them at a beach near Devereux Slough in Santa Barbara, California, USA. Disturbance (activity that caused plovers to move or fly) to wintering populations of threatened western snowy plovers was 16 times higher at a public beach than at protected beache...
متن کاملSnowy Owl Predation on Short-eared Owls
A problem confronting Snowy Owls (Nyctea scandiaca) in their southern incursions is the shortage of food. This difficulty is raised by the presence of other raptors that feed on small mammals. This note shows how little food is found by migrant Snowy Owls and indicates a complex temporary ecological solution. At Tatoosh Island, Washington (48”24’ N, 124” 44’ W) on 25 November 1973, we observed ...
متن کامل“ Hydro Maintenance Re - engineering within the Snowy Mountains Scheme ”
The Snowy Mountains Hydro-electric Authority has recently undertaken a program of analysing the routine maintenance completed on its main generation and hydraulic assets. Power industry deregulation and increasing competition have created the need to reduce costs while increasing productivity. Along with downsizing and organisational restructuring, considerable effort has been placed on improvi...
متن کاملDaily Temperature Cycles in Barred, Great-horned and Snowy Owls
(Speotyto cuniculuria) to a moving object when the object did and did not cast a conspicuous shadow. We used a single Burrowing Owl for all tests. It was trapped about 5 km north of Davis, Yolo County, California. We chose this species because it is easily trapped and because it often feeds nocturnally upon terrestrial prey, including rodents, and therefore may exploit shadow cues (Thomsen, Con...
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ژورنال
عنوان ژورنال: Streams of Consciousness
سال: 2019
ISSN: 2640-0049
DOI: 10.7191/soc.2019.1041