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81.
Wind measurementsnear the North Seaborder of Northern Germany andvelocity measurements under localisotropic conditions of a turbulent wakebehind a cylinder are compared. It is shownthat wind gusts, measured by means ofvelocity increments, do show similar statisticsto the laboratory data if they are conditionedon an averaged wind speed value.Clear differences between the laboratory dataand the atmospheric measurements arefound for the waiting time statistics betweensuccessive gusts above acertain threshold. 相似文献
82.
GEORGE B. BARBOUR 《地质学报》1934,(1)
Among the far-reaching plans envisaged by the late Dr. Davidson Black as part of the work of the Cenozoic Laboratory was a correlation of the Pliocene and Pleistocene deposits of the whole of China on the basis of geomorphology. This called for a study of the physiography of the major 相似文献
83.
The total mineralization of solutions squeezed out of montmorillonite clay saturated in sea water was determined at different overburden pressures. The subsequent fractions of expelled solutions were also analysed for various anions (Cl?, SO2-4, HCO?3, F?) and cations (Na+, K+, Mg2+, Ca2+, B3+). The results indicate that the concentrations of squeezed-out solutions during the initial stages of compaction (at pressures up to 35 kg/cm2) are slightly higher than that of interstitial solution present initially. The concentration of squeezed-out solution goes through a maximum, or at least remains constant, before starting to decrease with increasing overburden pressure. 相似文献
84.
M. Folgueira CH. Bizouard J. Souchay 《Celestial Mechanics and Dynamical Astronomy》2001,81(3):191-217
We present a comparison of the diurnal and subdiurnal terms of the three last theories of rigid Earth's rotation: SMART97, RDAN97 and REN 2000. For a better interpretation of the observations, we characterize their contribution to the polar motion and we estimate the non-rigid effects, which are at the level of a few microarcseconds. 相似文献
85.
GEORGE TOWERS 《Geographical review》2006,96(2):313-317
THE UPLAND SOUTH: The Making of an American Folk Region and Landscape. By Terry G. Jordan ‐Bychkov APPALACHIAN FOLKWAYS. By John B. Rehder EXTRACTING APPALACHIA: Images of the Consolidation Coal Company, 1910–1945. By Geoffrey L. Buckley THE NEW ENCYCLOPEDIA OF SOUTHERN CULTURE. Vol. 2: GEOGRAPHY. Edited by Richard Pillsbury 相似文献
86.
87.
R T RATHEESH KUMAR TANMAY K MAJI SURESH CH KANDPAL D SENGUPTA RAJESH R NAIR 《Journal of Earth System Science》2011,120(3):447-458
Global estimates of the elastic thickness (Te) of the structure of passive continental margins show wide and varying results
owing to the use of different methodologies. Earlier estimates of the elastic thickness of the North Atlantic passive continental
margins that used flexural modelling yielded a Te value of ~20–100 km. Here, we compare these estimates with the Te value
obtained using orthonormalized Hermite multitaper recovered isostatic coherence functions. We discuss how Te is correlated
with heat flow distribution and depth of necking. The E–W segment in the southern study region comprising Nova Scotia and
the Southern Grand Banks show low Te values, while the zones comprising the NE–SW zones, viz., Western Greenland, Labrador,
Orphan Basin and the Northern Grand Bank show comparatively high Te values. As expected, Te broadly reflects the depth of
the 200–400°C isotherm below the weak surface sediment layer at the time of loading, and at the margins most of the loading
occurred during rifting. We infer that these low Te measurements indicate Te frozen into the lithosphere. This could be due
to the passive nature of the margin when the loads were emplaced during the continental break-up process at high temperature
gradients. 相似文献
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