ICONS atlas: CHN - Wei He Basin

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Overview

This page bundles the available data for the Wei He Basin in the China. The images are hyperlinks and will open up a separate window with a high resolution PDF image of the map.
The basin data is derived from a lower resolution grid which has been upsampled using GMT. This could have introduced an accuracy which is beyond the original data resolution.

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Wei He Basin location map
Basin name Wei He Basin
Region code CHN
Basin ID 6012
Plate location/code /
Basin cross section

The basin cross section is automatically generated using the available crustal structure data sets. Sometimes the data labels are not plotted correctly, depending on the length of the section.

The location of the profile is indicated in all maps as dashed-dotted thin black line. For the endpoints of the profile, the two points of a given polygon located farthest away from each other were computed.

Wei He Basin cross section
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Dynamic topography evolution for basin centroid
Wei He Basin dynamic topography through time

The dynamic topography history for the basin is derived by tracking the basin centroid. The paleo-location for this point is computed using the EarthByte plate kinematic framework rotating the position back in time.

The dynamic topography model is derived from the S20RTS seismic tomography model (Ritsema et al., 99) by converting seismic velocites to density anomalies using an empirical scaling factor of 0.25. The density anomalies are then advected back in time to compute mantle flow with plate motions superimposed (using the EarthByte plate rotation framework) as surface boundary conditions. The dynamic topography is then derived from the computed density distribution using a free upper boundary. For details regarding the methodology see the following papers:

  • B. Steinberger, H. Schmeling, and G. Marquart. Large-scale lithospheric stress field and topography induced by global mantle circulation. Earth Planet. Sci. Lett., 186:75-91, 2001.
    doi: 10.1016/S0012-821X(01)00229-1.
  • B. Steinberger. Effects of latent heat release at phase boundaries on flow in the Earth's mantle, phase boundary topography and dynamic topography at the Earth's surface. Phys. Earth Planet. Int., 164:2-20, 2007.
    doi: 10.1016/j.pepi.2007.04.021.

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Observations

Mantle Lid thickness
Wei He Basin location map
Statistics - Mantle Lid thickness
Median 97.918
Mean 98.044
Scale 2.661
stdev 2.179
Z_min/Location 93.995/34.1667°Lat 107.567°Lon
Z_max/Location 102.494/ 35.5333°Lat 110.6°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Depth of 550 deg isotherm
Wei He Basin location map
Statistics - Depth of 550 deg isotherm
Median -40.348
Mean -40.370
Scale 0.323
stdev 0.301
Z_min/Location -41.000/35.0°Lat 110.0°Lon
Z_max/Location -39.687/ 34.1333°Lat 109.4°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Mobil isopachs
Wei He Basin location map
Statistics - Mobil isopachs
Median 3.292
Mean 3.177
Scale 0.409
stdev 0.431
Z_min/Location 1.921/34.2667°Lat 107.1°Lon
Z_max/Location 3.781/ 34.9333°Lat 109.233°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Plain crustal thickness
Wei He Basin location map
Statistics - Plain crustal thickness
Median 37.289
Mean 37.546
Scale 0.851
stdev 1.235
Z_min/Location 35.782/34.1333°Lat 109.4°Lon
Z_max/Location 42.454/ 34.5667°Lat 106.933°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base middle crust
Wei He Basin location map
Statistics - Base middle crust
Median -24.356
Mean -24.412
Scale 0.480
stdev 0.515
Z_min/Location -26.147/34.5333°Lat 106.933°Lon
Z_max/Location -23.484/ 34.1333°Lat 109.4°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base lower crust
Wei He Basin location map
Statistics - Base lower crust
Median -36.828
Mean -36.972
Scale 0.911
stdev 1.116
Z_min/Location -40.937/34.5667°Lat 106.933°Lon
Z_max/Location -35.078/ 34.1333°Lat 109.4°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Total crustal thickness
Wei He Basin location map
Statistics - Total crustal thickness
Median 38.025
Mean 38.215
Scale 0.932
stdev 1.167
Z_min/Location 36.344/34.1333°Lat 109.4°Lon
Z_max/Location 42.379/ 34.5667°Lat 106.933°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base upper crust
Wei He Basin location map
Statistics - Base upper crust
Median -12.107
Mean -12.100
Scale 0.469
stdev 0.400
Z_min/Location -12.802/34.2667°Lat 107.1°Lon
Z_max/Location -11.304/ 34.2°Lat 109.467°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Thermal lithospheric thickness
Wei He Basin location map
Statistics - Thermal lithospheric thickness
Median 136.170
Mean 136.259
Scale 2.194
stdev 1.933
Z_min/Location 132.341/33.9667°Lat 109.1°Lon
Z_max/Location 140.000/ 35.0°Lat 110.0°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Heatflow
Wei He Basin location map
Statistics - Heatflow
Median 66.354
Mean 65.808
Scale 4.292
stdev 3.425
Z_min/Location 59.813/34.3°Lat 107.067°Lon
Z_max/Location 71.327/ 34.8°Lat 110.267°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Topography (ETOPO2)
Wei He Basin location map
Statistics - Topography (ETOPO2)
Median 485.000
Mean 548.079
Scale 152.708
stdev 219.358
Z_min/Location 313.000/34.6333°Lat 109.9°Lon
Z_max/Location 2036.000/ 34.1°Lat 107.833°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base hard sediments
Wei He Basin location map
Statistics - Base hard sediments
Median 0.598
Mean 0.574
Scale 0.145
stdev 0.242
Z_min/Location -0.282/35.5667°Lat 110.533°Lon
Z_max/Location 1.517/ 34.5667°Lat 106.933°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Temperature at 50km depth
Wei He Basin location map
Statistics - Temperature at 50km depth
Median 689.485
Mean 689.213
Scale 8.166
stdev 7.236
Z_min/Location 675.000/35.0°Lat 110.0°Lon
Z_max/Location 704.004/ 33.9667°Lat 109.1°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Laske sediment thickness
Wei He Basin location map
Statistics - Laske sediment thickness
Median 0.146
Mean 0.211
Scale 0.184
stdev 0.254
Z_min/Location -0.218/34.5667°Lat 106.933°Lon
Z_max/Location 1.462/ 35.5667°Lat 110.533°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Lithospheric temperature gradient
Wei He Basin location map
Statistics - Lithospheric temperature gradient
Median 7.218
Mean 7.209
Scale 0.148
stdev 0.131
Z_min/Location 6.940/35.0°Lat 110.0°Lon
Z_max/Location 7.492/ 34.0°Lat 109.0°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Computations

Isostatic correction
Wei He Basin location map
Statistics - Isostatic correction
Median 0.063
Mean 0.095
Scale 0.079
stdev 0.103
Z_min/Location 0.000/34.5667°Lat 106.933°Lon
Z_max/Location 0.613/35.5667°Lat 110.533°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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TTS (sediment)
Wei He Basin location map
Statistics - TTS (sediment)
Median -0.687
Mean -0.668
Scale 0.130
stdev 0.181
Z_min/Location -1.517/34.5667°Lat 106.933°Lon
Z_max/Location -0.329/35.6°Lat 110.6°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Beta (Sediment)
Wei He Basin location map
Statistics - Beta (Sediment)
Median 0.919
Mean 0.922
Scale 0.014
stdev 0.019
Z_min/Location 0.837/34.5667°Lat 106.933°Lon
Z_max/Location 0.960/35.6°Lat 110.6°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Crustal vs lithosph. extn.
Wei He Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.013
Mean 0.003
Scale 0.025
stdev 0.034
Z_min/Location -0.098/34.5333°Lat 106.933°Lon
Z_max/Location 0.064/35.5333°Lat 110.6°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Anomalous TTS
Wei He Basin location map
Statistics - Anomalous TTS
Median -0.729
Mean -0.729
Scale 0.223
stdev 0.197
Z_min/Location -1.184/34.2°Lat 109.467°Lon
Z_max/Location -0.331/34.1°Lat 107.833°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Predicted elevation
Wei He Basin location map
Statistics - Predicted elevation
Median 1087.380
Mean 1107.830
Scale 74.415
stdev 85.525
Z_min/Location 949.822/34.8°Lat 110.267°Lon
Z_max/Location 1338.340/34.5333°Lat 106.933°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Beta (Crust)
Wei He Basin location map
Statistics - Beta (Crust)
Median 1.015
Mean 1.009
Scale 0.023
stdev 0.032
Z_min/Location 0.891/34.5667°Lat 106.933°Lon
Z_max/Location 1.058/34.1333°Lat 109.4°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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TTS (crust)
Wei He Basin location map
Statistics - TTS (crust)
Median 0.114
Mean 0.061
Scale 0.176
stdev 0.255
Z_min/Location -0.953/34.5667°Lat 106.933°Lon
Z_max/Location 0.425/34.1333°Lat 109.4°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Differential Beta
Wei He Basin location map
Statistics - Differential Beta
Median -0.086
Mean -0.087
Scale 0.028
stdev 0.025
Z_min/Location -0.145/34.2°Lat 109.467°Lon
Z_max/Location -0.038/34.1667°Lat 107.567°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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This basin data is based on interpolated global grids and might contain gridding errors or wrongly interpolated data values.

Page generated 2008-08-03 02:36:44 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia