The National Geographic Magazine, Volume 3National Geographic Society, 1892 - Geography Indexes kept up to date with supplements. |
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Results 6-10 of 38
Page 42
... higher atmospheric strata . " " Dr. Hann has put forth the hypothesis that the genesis of cyclones and anticyclones may be sought in the general atmos- pheric circulation through a difference of temperature of the air from the equator ...
... higher atmospheric strata . " " Dr. Hann has put forth the hypothesis that the genesis of cyclones and anticyclones may be sought in the general atmos- pheric circulation through a difference of temperature of the air from the equator ...
Page 45
... higher layers by radiation , and through the heaping up of air masses caused by obstructions . 3. The disturbances are adjusted by ascending currents , wherein the particular species of acceleration occurs in which the increase of ...
... higher layers by radiation , and through the heaping up of air masses caused by obstructions . 3. The disturbances are adjusted by ascending currents , wherein the particular species of acceleration occurs in which the increase of ...
Page 46
... higher than below . The change of weather set in earlier , with a strong and warm wind , on the tower , while the air at the ground was cold and calm . Wind observations on the tower show a ratio of 3.1 at that height ( 303 meters ) to ...
... higher than below . The change of weather set in earlier , with a strong and warm wind , on the tower , while the air at the ground was cold and calm . Wind observations on the tower show a ratio of 3.1 at that height ( 303 meters ) to ...
Page 49
... higher the velocity . At 60 miles per hour the observed velocities are about 12 miles per hour too high , and for an indicated velocity of 90 miles the experiments show that the actual velocity is but a fraction over 69 miles per hour ...
... higher the velocity . At 60 miles per hour the observed velocities are about 12 miles per hour too high , and for an indicated velocity of 90 miles the experiments show that the actual velocity is but a fraction over 69 miles per hour ...
Page 50
... higher pay than clerks in charge of routine duties ; but unfortunately the majority of them do not . The work of Professor Hazen in charting tornadoes and in determining their relative frequency and severity is directly in the line of ...
... higher pay than clerks in charge of routine duties ; but unfortunately the majority of them do not . The work of Professor Hazen in charting tornadoes and in determining their relative frequency and severity is directly in the line of ...
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Agassiz glacier Alaska Amazon appears avalanches base beneath Bering Bering island Bering's Blossom island border camp canoe carts chart Coast and Geodetic crest crevasses débris dense Disenchantment bay eastern elevation Elias range Elias region expedition exploration feet flows formed Geodetic Survey GEOG Geological Survey glacial Haenke island height Hitchcock range ice-streams Icy bay indicated Kamshatka Kerr l'Isle l'Isle's lake land longitude lower Lucia glacier Malaspina glacier margin Marvine glacier melting miles moraines Mount Augusta Mount Cook Mount Owen Mount St NATIONAL GEOGRAPHIC National Geographic Society névé night observations peaks Pinnacle system plateau Port Mulgrave portion reached ridge river rocks route rugged Russian sandstone Seward glacier shale shore side slope snow snow-fields southern southward steep stones storm stream Street summit surface tent terrace tion topographic tunnel valley vegetation voyage western westward Yakutat bay Yakutat system