snow cover depth
71Colorado Holiday Blizzards (2006–2007) — The Holiday Blizzards were major storms occurring in two segments during the last two weeks of December 2006 in the Denver, Colorado area. The blizzards occurred within a week of each other. A subsequent storm, smaller in scope, struck the area… …
72Bering Sea and Strait — ▪ sea, Pacific Ocean Introduction Russian Beringovo More and Proliv Beringa, northernmost part of the Pacific Ocean, separating the continents of Asia and North America. To the north the Bering Sea connects with the Arctic Ocean through the …
73Frost line — The frost line also known as frost depth or freezing depth is most commonly the depth that the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and… …
74List of Minnesota weather records — Weather observations being taken in Minneapolis, Minnesota in 1890. The following is a list of Minnesota weather records observed at various stations across the state during the last 130 years. Minnesota is a state in the Upper Midwestern region… …
75Disasters of the Century — is a documentary television series that airs on History Television. The program is produced by Regina, Saskatchewan based Partners in Motion. Each episode documents two different disasters from Canada and around the world, using a mixture of re… …
76Plovdiv — Пловдив …
77Geography of Latvia — Geographic coordinates: 57°00′N 25°00′E / 57°N 25°E / 57; 25 …
78Geology and Geochemistry — ▪ 2008 Introduction Diamond inclusions in ancient terrestrial rock provided clues about the early history of Earth s crust. Scientists studied slow earthquakes and the crystalline structure of Earth s inner core. International scientific studies… …
79Lena River — River, east central Russia, one of the longest rivers in the world. From its source in a Siberian mountain lake west of Lake Baikal, it flows 2,734 mi (4,400 km) north across Russia to enter the Arctic Ocean. Its basin covers an area of 961,000… …
80Sea level — For the sea level change associated with the current episode of global warming, see current sea level rise. For other uses, see Sea level (disambiguation). This marker indicating the sea level is placed on the path from Jerusalem to the Dead Sea …
