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120篇 您的检索式:作者名="NACHTERGAELE"
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1Meso-Cenozoic tectonic evolution of the Talas-Fergana region of the Kyrgyz Tien Shan revealed by low-temperature basement and detrital thermochronology显示文摘This study provides new low-temperature thermochronometric data, mainly apatite fission track data on the basement rocks in and adjacent to the Talas-Fergana Fault, in the Kyrgyz Tien Shan in the first place.In the second place, we also present new detrital apatite fission track data on the Meso-Cenozoic sediments from fault related basins and surrounding intramontane basins. Our results confirm multistaged Meso-Cenozoic tectonic activity, possibly induced by the accretion of the so-called Cimmerian blocks to the Eurasian margin. New evidence for this multi-staged thermo-tectonic activity is found in the data of both basement and Meso-Cenozoic sediment samples in or close to the Talas-Fergana Fault.Zircon(U-Th)/He and apatite fission track data constrain rapid Late TriassiceE arly Jurassic and Late JurassiceE arly Cretaceous basement cooling in the Kyrgyz Tien Shan around 200 Ma and 130 -100 Ma respectively. Detrital apatite fission track results indicate a different burial history on both sides of the Talas-Fergana Fault. The apatite fission track system of the Jurassic sediments in the Middle Tien Shan unit east of the Talas-Fergana Fault is not reset, while the Jurassic sediments in the Fergana Basin and Yarkand-Fergana Basin, west of the fault zone, are partially and in some cases even totally reset. The totally reset samples exhibit Oligocene and Miocene ages and evidence the Cenozoic reactivation of the western Kyrgyz Tien Shan as a consequence of the India-Eurasia convergence.Simon Nachtergaele Elien De Pelsmaeker Stijn Glorie Fedor Zhimulev Marc Jolivet Martin Danisík Mikhail M.Buslov Johan De Grave 2018Geoscience Frontiers2018,9,5:4
2EVALUATION OF TOPOGRAPHIC INDICES FOR EPHEMERAL-GULLY EROSION ASSESSMENT显示文摘Soil erosion by concentrated flows in agricultural areas is an important process affecting soil losses and landscape degradation. The main factors controlling concentrated flow erosion include the erodibility of materials, soil use and management, climate, and watershed topography. In this paper, two topographic indices, closely related with mathematical expressions suggested by different authors, are used to characterize the influence of watershed topography on gully erosion. The AS1 index is defined as the product of the watershed area and the partial area-weighted average slope. The AS2 index is the product of the watershed area and the length-weighted average swale slope. Using different ephemeral gully erosion databases, a high correlation was found between the topographic indices and the volume of eroded soil. The accuracy of different methods for field measurement of ephemeral gullies was evaluated to ensure that the relation between erosion and topographic indices is not affected by assessment errors. The resulting relation are useful to assess soil losses from gully erosion, to identify the most susceptible watersheds within large areas, and to compare the susceptibility to gully erosion among different catchments. This information also can be important to study the response of natural drainage network systems to different rainfall inputs.J. CASALI L. M. De SANTISTEBAN J. J. LOPEZ J. V. GIRALDEZ J. POESEN J. NACHTERGAELE M. GONI J. LOIZU M. A. CAMPO 2005International Journal of Sediment Research2005,20,4:4
3Gully erosion and environmental change: importance and research needs 显示文摘Poesen J Nachtergaele J Verstraeten G 2003Catena2003,50,:1
4Assessment of soil losses by ephemeral gully erosion using high-altitude (stereo) aerial photographs显示文摘Nachtergaele J Poesen J 1999Earth Surface Processes and Landforms1999,24,:1
5Gravel mulching in vineyards of sour hem Switzerland显示文摘Nachtergaele J Poesen J W Van Wesemael B 1998Soi land Tillage Research1998,46,:1
6Gully erosionand environmental change:importance and research needs显示文摘Poesen J Nachtergaele J Verstraeten G 2003Catena2003,50,24:1
7Gravel mulching in vineyards of southern Switzerland 显示文摘NACHTERGAELE J POESEN J W and VAN WESEMAEL B 1998Soil and Tillage Research1998,46,:1
8Gully Erosion and Environmental Change:Improtance and Research Needs显示文摘Poesen J Nachtergaele J Verstraeten G 2003Catena2003,50,:1
9Gravel mulching in vineyards of southern Switzerland 显示文摘Nachtergaele J Poesen J W Van Wesemael B 1998Soil and Tillage Research1998,46,:1
10Testing the ephemeral gully erosion model (CEGEM) for two mediter ranean environment显示文摘Nachtergaele J Poesen J Vandekerck hove L 2001Earth Surface Process and Landforms2001,26,:1
11Concen-trated flow erosion rates as affected by rock fragment cover and initialsoil moisture content显示文摘Poesen J Luna E D Franca A Nachtergaele J 1999Catena1999,36,:1
12Amounts,dynamo 2ics and sequestering of carbon in tropical and subtropical soils显示文摘SOMBROEK WG NACHTERGAELE FO HEBEL A 1993Am Bio1993,22,:1
13Gully erosion andenvironmental change: importance and research needs 显示文摘Poesen J Nachtergaele J Verstraeten G 2003Catena2003,50,:1
14Tracking the subcellular fate of 20(s)-hydroxycholesterol with click chemistry reveals a transport pathway to the Golgi显示文摘Sara M Peyrot Sigrid Nachtergaele Giovanni 2014The Journal of biological chemistry2014,289,16:1
15Alignment and integra- tion of complex networks by hypergraph-based spectral clus- tering显示文摘MICHOEL T NACHTERGAELE B 2012Physical Review E2012,86,05:1
16Optimal memory organization for scalable texture codecs in MPEG-4 显示文摘LAFRUIT G NACHTERGAELE L BORMANS J 1999IEEE Trans Circ and Syst for Video Technol1999,9,2:1
17Amounts, dynamics and sequestering of carbon in tropical and subtropical and subtropical soils 显示文摘Sombroek W G Nachtergaele F O Hebel A 1993Ambio1993,22,:1
18Assessment of soil losses by ephemeral gully erosion using high - altitude (stereo) aerial photographs 显示文摘Nachtergaele J Poesen J 1999Earth Surface Processes and Landforms1999,24,:1
19Spatial evaluation of a physically based distributed erosion model (LISEM) 显示文摘Takken I Beuselinck L Nachtergaele J 1999Catena1999,37,:1
20Gully erosion and environmental change:importance and research needs显示文摘Poesen J Nachtergaele J Verstraeten G 2003Catena2003,50,:1
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