Results 161 to 170 of about 1,647,626 (210)

Polar mesospheric ozone loss initiates downward coupling of solar signal in the Northern Hemisphere. [PDF]

open access: yesNat Commun
Seppälä A   +5 more
europepmc   +1 more source

Role of land-ocean interactions in stepwise Northern Hemisphere Glaciation. [PDF]

open access: yesNat Commun
Zhong Y   +22 more
europepmc   +1 more source
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Neogene aridification of the Northern Hemisphere

Geology, 2012
Neogene cooling and aridification in the Northern Hemisphere have long been recognized, but there are no studies comparing patterns of aridity gradients or differences between North America and Eurasia. Large herbivorous mammals are an excellent source for understanding large-scale environmental and climatic patterns because their molar crown height ...
Eronen, Jussi T.   +5 more
openaire   +3 more sources

Some Animals of the Northern Hemisphere. * —(X.)

Journal of Education, 1897
Since the elk's antlers may fairly be considered typical, a fine pair are shown in the accompanying figure, to illustrate the different terms used in books on the chase. The browtine is the lowest branch, springing from the beam, or main stem of the antler, just above the burr, and curving gently downward toward the face.
openaire   +1 more source

Pleistocene Glaciations of the Northern Hemisphere

Geological Society of America Bulletin, 1929
Early Investigators As this has been announced to be a centenary year for glacial geology, a few words of explanation may be needed. The relevancy of 1928 as a centenary of glacial geology is based on the fact that two important investigations of glaciers date from the year 1828. That year marks the beginning of glacial studies by Jean de Charpentier,
openaire   +2 more sources

Transfer of Northern Hemisphere Fall-out to the Southern Hemisphere

Nature, 1966
THE detonation of a low-yield nuclear device in Western China at 1900 h, October 16, 1964 (New Zealand time), was reported, and tests for barium-140 were included in our routine investigations of fall-out at Gracefield, Wellington (41° 14′ S., 174° 55′ E.), to identify debris from this test.
openaire   +2 more sources

On the origin of northern and southern hemisphere grasslands

Plant Ecology, 2002
The origin of the grassy habit during the Eocene and the development of C4 grasses during the Miocene/Pliocene boundary are discussed before the origin of primary and secondary grassland in Eurasia and North America are discussed. A comparison shows that both Northern and Southern hemisphere primary grassland originated due to climatic changes to drier
G. J. Bredenkamp   +2 more
openaire   +2 more sources

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