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496 results for “Tibetan Plateau”
A Performance Evaluation of the World Wide Lightning Location Network (WWLLN) over the Tibetan Plateau
<p>The data is associated with the paper titled "A Performance Evaluation of the World Wide Lightning Location Network (WWLLN) over the Tibetan Plateau" which is published in Journal of Atmospheric and Oceanic Technology with the doi: 10.1175/JTECH-D-17-0144.1. The abstract is as follows:</p> <p>A systematic evaluation of the performance of the World Wide Lightning Location Network (WWLLN) over the Tibetan Plateau is conducted using data from the Cloud-to-Ground Lightning Location System (CGLLS) developed by the State Grid Corporation of China for 2013–15 and lightning data from the satellitebased Tropical Rainfall Measuring Mission (TRMM) Lightning Imaging Sensor (LIS) for 2014–15. The average spatial location separation magnitudes in the midsouthern Tibetan Plateau (MSTP) region between matched WWLLN and CGLLS strokes and over the whole Tibetan Plateau between matched WWLLN and LIS flashes were 9.97 and 10.93 km, respectively. The detection efficiency (DE) of the WWLLN rose markedly with increasing stroke peak current, and the mean stroke peak currents of positive and negative cloud-toground (CG) lightning detected by theWWLLNin the MSTP region were 62.43 and256.74 kA, respectively. The duration, area, and radiance of the LIS flashes that were also detected by the WWLLN were 1.27, 2.65, and 4.38 times those not detected by the WWLLN. The DE of the WWLLN in the MSTP region was 9.37% for CG lightning and 2.58% for total lightning. Over the Tibetan Plateau, the DE of the WWLLN for total lightning was 2.03%. In the MSTP region, theCGflash data made up 71.98% of allWWLLNflash data. Based on the abovementioned results, the ratio of intracloud (IC) lightning to CG lightning in the MSTP region was estimated to be 4.05.</p>
A 1-km resolution monthly mean air temperature (Ta) dataset across the Tibetan Plateau during 2001-2015, related with the article "Mapping monthly air temperature in the Tibetan Plateau from MODIS data based on machine learning methods".
<p>We present a 1-km resolution monthly mean air temperature (Ta) dataset across the Tibetan Plateau from 2001 to 2015. It ranges from 25°-45°N, 70°-105°E, covering a total area of ~7,045,000 km2. To develop this dataset, 10 machine learning algorithms were applied to 11 environmental variables derived from Moderate Resolution Imaging Spectroradiometer (MODIS) data, Shuttle Radar Topography Mission (SRTM) digital elevation model (DEM) data and topographic index data. The best model generated by Cubist algorithm was finally selected to calculate monthly mean Ta, and achieved an overall accuracy of RMSE= 1.00 °C and MAE= 0.73 °C. To get details of this dataset, please refer to the manuscript "Mapping monthly air temperature in the Tibetan Plateau from MODIS data based on machine learning methods". This Ta dataset provides spatially continuous coverage compared with station observed data, and has much higher accuracy and spatial resolution than reanalysis datasets, making it a useful dataset for climate change and environmental studies in the Tibetan Plateau.</p> <p>Xu Y., Knudby A., Shen Y., Liu Y., Mapping monthly air temperature in the Tibetan Plateau from MODIS data based on machine learning methods. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2018, 11(2): 345-354. (DOI: 10.1109/jstars.2017.2787191).</p> <p>The Ta dataset is provided in ENVI standard format. The coordinate system is WGS84 Geographic Coordinate System.</p>
Table for Paper: Late Pleistocene-Holocene Paleoseismology of Mingle-Damaying Fault and the Indication for the Crustal Shortening Mechanism of East Qilian Shan, Northeast Tibetan Plateau
<p>The material for sampling is charred material and they are analyzed in Beta Analytic Inc., USA and AMS <sup>14</sup>C dating laboratory of Peking University. Both of the laboratories provide conventional age, as well as calibrated age using INTCAL13 (Reimer et al., 2013).</p>
Data for paper: Late Pleistocene-Holocene Paleoseismology of Mingle-Damaying Fault and the Indication for the Crustal Shortening Mechanism of East Qilian Shan, Northeast Tibetan Plateau
<p>All of the data are in format of JPG</p>
Suppl. material 2 from: Heng L-M, Zheng Y-L, Zhao Y-B, Wang Y-J (2018) Radiation of members of the Soroseris hookeriana complex (Asteraceae) on the Qinghai-Tibetan Plateau and their proposed taxonomic treatment. PhytoKeys 114: 11-25. https://doi.org/10.3897/phytokeys.114.29914
The 50% majority rule consensus tree derived from Bayesian inference of the combined sequences of nuclear internal transcribed spacer, psbA-trnH and matK : Explanation note: Posterior probabilities and bootstrap percentages are indicated above and below the branches, respectively. The samples named according to FOC (2011) or NCBI, Stebbins (1940) and the present study are listed from left to right.
Suppl. material 1 from: Heng L-M, Zheng Y-L, Zhao Y-B, Wang Y-J (2018) Radiation of members of the Soroseris hookeriana complex (Asteraceae) on the Qinghai-Tibetan Plateau and their proposed taxonomic treatment. PhytoKeys 114: 11-25. https://doi.org/10.3897/phytokeys.114.29914
The main morphological difference amongst members of the Soroserishookeriana complex and the closely related species :
Data set for: Crustal Azimuthal Anisotropy Beneath the Southeastern Tibetan Plateau and its Geodynamic Implications
<p>Abstract of the original paper:</p> <p>Zheng, T., Ding, Z., Ning, J., Chang, L., Wang, X., Kong, F., Liu, K.H., & Gao, S.S. (2018).<br> Crustal azimuthal anisotropy beneath the southeastern Tibetan Plateau and its geodynamic implications.<br> <em><strong>Journal of Geophysical Research: Solid Earth, 123(11)</strong>, 9733-9749. </em> <a href="https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JB015995"> https://doi.org/10.1029/2018JB015995</a></p> <p>The fast orientation and magnitude of crustal azimuthal anisotropy beneath the southeastern Tibetan Plateau and adjacent areas are measured by analyzing the sinusoidal moveout of the <em>P</em> to <em>S</em> converted phase from the Moho. Beneath the tectonically active plateau, the mean magnitude is 0.48 ± 0.13 s, which is about twice as large as that observed in the stable Sichuan Basin (0.23 ± 0.10 s). The two areas are separated by the Longmenshan fault zone, a zone of devastating earthquakes including the 12 May 2008 <em>M</em><sub><em>W</em></sub> 7.9 Wenchuan earthquake. Fault orthogonal fast orientations observed in the southern Longmenshan fault zone, where previous studies have revealed high crustal <em>V</em><sub><em>p</em></sub>/<em>V</em><sub><em>s</em></sub> and suggested the presence of mid‐lower crustal flow, may reflect flow‐induced lattice preferred orientation of anisotropic minerals. Fault parallel anisotropy in the central segment of the fault zone is most likely related to fluid filled fractures, and fault perpendicular extensional cracks are probably responsible for the observed anisotropy in the northern segment. The crustal anisotropy measurements, when combined with results from previous studies, suggest the existence of mid‐lower crustal flow beneath the southeastern margin of the plateau. Comparison of crustal anisotropy obtained before and after the Wenchuan earthquake suggests that the earthquake has limited influence on whole crustal anisotropy, although temporal changes of anisotropy associated with the earthquake have been reported using splitting of shear waves from local earthquakes occurred in the upper crust.</p>
Data for paper: Segmented Thrust Faulting: Example from the Northeastern Margin of the Tibetan Plateau
<p>If additional data is needed, please contact me by E-mail: skatetangshan@vip.126.com</p>
FIGURE 8 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 8. Localities of five Draconarius species from China. 1 Draconarius baibaensis sp. n. 2 Draconarius budanlaensis sp. n. 3 Draconarius linzhiensis; T in upper case indicates the type locality of D. linzhiensis 4 Draconarius yigongensis sp. n. 5 Draconarius yingbinensis sp. n.
FIGURE 7 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 7. Epigyne and habitus of Draconarius yingbinensis sp. n. A Epigyne, ventral B Internal gentalia, dorsal C Female habitus, dorsal D Female habitus, ventral E Female habitus, lateral. Scale bars: equal for A and B, equal for C, D and E.
FIGURE 5 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 5. Left male palp of Draconarius yigongensis sp. n., holotype. A Prolateral view B Ventral view C Retrolateral view. Scale bar: equal for A, B, C.
FIGURE 6 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 6. Epigyne and habitus of Draconarius yigongensis sp. n. A Epigyne, ventral B Internal genitalia, dorsal C Male habitus, dorsal D Female habitus, dorsal E Female habitus, ventral. Scale bars: equal for A and B, equal for D and E.
FIGURE 4 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 4. Epigyne and habitus of Draconarius linzhiensis. A Epigyne, ventral B Internal genitalia, dorsal C Male habitus, dorsal D Female habitus, dorsal E Female habitus, ventral. Scale bars: equal for A and B, equal for C, D and E.
FIGURE 3 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 3. Left male palp of Draconarius linzhiensis. A Prolateral view B Ventral view C Retrolateral view. Scale bar: equal for A, B, C.
FIGURE 2 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 2. Epigyne and habitus of Draconarius budanlaensis sp. n. A Epigyne, ventral B Internal genitalia, dorsal C Female habitus, dorsal D Female habitus, ventral E Female habitus, lateral. Scale bars: equal for A and B, equal for C, D and E.
FIGURE 1 in Four new species of the genus Draconarius Ovtchinnikov, 1999 (Araneae, Agelenidae) from the Tibetan Plateau, China
FIGURE 1. Epigyne and habitus of Draconarius baibaensis sp. n. A Epigyne, ventral B Internal genitalia, dorsal C Female habitus, dorsal D Female habitus, ventral E Female habitus, lateral. Scale bars: equal for A and B, equal for C, D and E.
FIGURE 4 in Acricotopus indet. morphotype incurvatus: Description and genetics of a new Orthocladiinae (Diptera: Chironomidae) larval morphotype from the Tibetan Plateau
FIGURE 4. Maximum likelihood tree of 18S and 28S sequences, with the small subset chironomid taxa from different subfamilies. The numbers near nodes represent bootstrap supports (100 replications). The taxa in bold represent herein described species, Acricotopus indet. morphotype incurvatus. Forcipomyia brevipennis Macquart represents the outgroup.
FIGURE 1. Acricotopus indet. morphotype incurvatus 4 in Acricotopus indet. morphotype incurvatus: Description and genetics of a new Orthocladiinae (Diptera: Chironomidae) larval morphotype from the Tibetan Plateau
FIGURE 1. Acricotopus indet. morphotype incurvatus 4th instar larva. a) Mentum. b) Mandible with seta subdentalis. c) Labrum with premandibles, S I and pecten epipharyngis. d) Sclerotized plate.
FIGURE 3. Acricotopus indet. morphotype incurvatus 4 in Acricotopus indet. morphotype incurvatus: Description and genetics of a new Orthocladiinae (Diptera: Chironomidae) larval morphotype from the Tibetan Plateau
FIGURE 3. Acricotopus indet. morphotype incurvatus 4th instar larva, scanning electron microscope pictures. a) Head capsule. b) Antenna. c) Anterior parapods. d) Labro-epipharyngeal region with S I. e) Pecten epipharyngis with S I. f) Posterior parapods.
Segmented Thrust Faulting: Example from the Northeastern Margin of the Tibetan Plateau
<p>If more information is needed, please contact the author by skatetangshan@vip.126.com</p>
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