ICONS atlas: CHN - Bohai Gulf Basin

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Overview

This page bundles the available data for the Bohai Gulf 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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Bohai Gulf Basin location map
Basin name Bohai Gulf Basin
Region code CHN
Basin ID 6017
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.

Bohai Gulf Basin cross section
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Dynamic topography evolution for basin centroid
Bohai Gulf 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
Bohai Gulf Basin location map
Statistics - Mantle Lid thickness
Median 98.927
Mean 99.867
Scale 5.084
stdev 4.966
Z_min/Location 89.375/42.0°Lat 123.0°Lon
Z_max/Location 109.464/ 35.0333°Lat 113.533°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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Depth of 550 deg isotherm
Bohai Gulf Basin location map
Statistics - Depth of 550 deg isotherm
Median -39.170
Mean -39.351
Scale 0.970
stdev 0.920
Z_min/Location -41.000/36.0°Lat 115.0°Lon
Z_max/Location -37.265/ 41.9°Lat 123.733°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
Bohai Gulf Basin location map
Statistics - Mobil isopachs
Median 3.145
Mean 2.993
Scale 1.531
stdev 1.578
Z_min/Location -1.080/40.3667°Lat 116.767°Lon
Z_max/Location 7.073/ 37.5667°Lat 115.5°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
Bohai Gulf Basin location map
Statistics - Plain crustal thickness
Median 28.843
Mean 28.900
Scale 0.953
stdev 1.047
Z_min/Location 26.272/39.7333°Lat 119.1°Lon
Z_max/Location 32.808/ 38.4667°Lat 114.467°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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Base middle crust
Bohai Gulf Basin location map
Statistics - Base middle crust
Median -20.888
Mean -21.036
Scale 0.281
stdev 0.821
Z_min/Location -24.009/39.8333°Lat 120.1°Lon
Z_max/Location -19.295/ 39.8°Lat 116.433°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
Bohai Gulf Basin location map
Statistics - Base lower crust
Median -30.896
Mean -30.803
Scale 0.234
stdev 0.527
Z_min/Location -33.432/38.4667°Lat 114.467°Lon
Z_max/Location -29.473/ 39.7333°Lat 116.833°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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Total crustal thickness
Bohai Gulf Basin location map
Statistics - Total crustal thickness
Median 30.989
Mean 30.939
Scale 0.241
stdev 0.596
Z_min/Location 29.593/39.6667°Lat 116.9°Lon
Z_max/Location 34.416/ 38.4°Lat 114.367°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
Bohai Gulf Basin location map
Statistics - Base upper crust
Median -10.888
Mean -11.212
Scale 0.307
stdev 1.062
Z_min/Location -15.453/39.8333°Lat 120.1°Lon
Z_max/Location -9.655/ 39.9333°Lat 116.133°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
Bohai Gulf Basin location map
Statistics - Thermal lithospheric thickness
Median 129.975
Mean 130.806
Scale 5.136
stdev 5.062
Z_min/Location 120.000/42.0°Lat 123.0°Lon
Z_max/Location 140.000/ 35.0°Lat 114.0°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
Bohai Gulf Basin location map
Statistics - Heatflow
Median 82.546
Mean 81.674
Scale 2.225
stdev 3.384
Z_min/Location 67.137/39.9667°Lat 116.1°Lon
Z_max/Location 86.829/ 34.5333°Lat 114.333°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)
Bohai Gulf Basin location map
Statistics - Topography (ETOPO2)
Median 16.000
Mean 4.375
Scale 28.169
stdev 64.412
Z_min/Location -240.000/39.4667°Lat 120.633°Lon
Z_max/Location 540.000/ 36.8333°Lat 117.6°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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Base hard sediments
Bohai Gulf Basin location map
Statistics - Base hard sediments
Median -1.813
Mean -1.971
Scale 1.021
stdev 1.209
Z_min/Location -6.397/39.8333°Lat 120.1°Lon
Z_max/Location 0.165/ 39.9667°Lat 116.1°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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Temperature at 50km depth
Bohai Gulf Basin location map
Statistics - Temperature at 50km depth
Median 710.659
Mean 707.441
Scale 17.767
stdev 17.779
Z_min/Location 675.000/35.0°Lat 114.0°Lon
Z_max/Location 743.482/ 41.9°Lat 123.733°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
Bohai Gulf Basin location map
Statistics - Laske sediment thickness
Median 2.426
Mean 2.724
Scale 1.461
stdev 1.737
Z_min/Location -0.013/36.5667°Lat 118.467°Lon
Z_max/Location 9.082/ 39.0333°Lat 119.933°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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Lithospheric temperature gradient
Bohai Gulf Basin location map
Statistics - Lithospheric temperature gradient
Median 7.300
Mean 7.312
Scale 0.157
stdev 0.198
Z_min/Location 6.940/35.0°Lat 114.0°Lon
Z_max/Location 7.949/ 42.0°Lat 123.0°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
Bohai Gulf Basin location map
Statistics - Isostatic correction
Median 0.992
Mean 1.074
Scale 0.562
stdev 0.624
Z_min/Location 0.000/36.7°Lat 118.4°Lon
Z_max/Location 3.086/39.0333°Lat 119.933°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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TTS (sediment)
Bohai Gulf Basin location map
Statistics - TTS (sediment)
Median 0.704
Mean 0.896
Scale 0.810
stdev 0.859
Z_min/Location -0.674/39.6°Lat 115.8°Lon
Z_max/Location 4.455/39.8333°Lat 120.1°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)
Bohai Gulf Basin location map
Statistics - Beta (Sediment)
Median 1.099
Mean 1.150
Scale 0.121
stdev 0.173
Z_min/Location 0.921/39.6°Lat 115.8°Lon
Z_max/Location 2.324/39.8333°Lat 120.1°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.
Bohai Gulf Basin location map
Statistics - Crustal vs lithosph. extn.
Median -0.004
Mean 0.002
Scale 0.076
stdev 0.056
Z_min/Location -0.144/42.1333°Lat 123.6°Lon
Z_max/Location 0.142/39.8667°Lat 118.1°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
Bohai Gulf Basin location map
Statistics - Anomalous TTS
Median 0.641
Mean 0.771
Scale 0.659
stdev 0.691
Z_min/Location -0.458/39.3333°Lat 116.167°Lon
Z_max/Location 3.709/39.8333°Lat 120.1°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
Bohai Gulf Basin location map
Statistics - Predicted elevation
Median 578.606
Mean 554.855
Scale 105.433
stdev 98.966
Z_min/Location 340.508/40.0°Lat 117.0°Lon
Z_max/Location 782.314/38.5°Lat 114.533°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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Beta (Crust)
Bohai Gulf Basin location map
Statistics - Beta (Crust)
Median 1.018
Mean 1.018
Scale 0.034
stdev 0.037
Z_min/Location 0.895/38.4667°Lat 114.467°Lon
Z_max/Location 1.118/39.7333°Lat 119.1°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)
Bohai Gulf Basin location map
Statistics - TTS (crust)
Median 0.141
Mean 0.125
Scale 0.254
stdev 0.279
Z_min/Location -0.915/38.4667°Lat 114.467°Lon
Z_max/Location 0.825/39.7333°Lat 119.1°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
Bohai Gulf Basin location map
Statistics - Differential Beta
Median 0.091
Mean 0.133
Scale 0.099
stdev 0.150
Z_min/Location -0.055/39.3333°Lat 116.2°Lon
Z_max/Location 1.218/39.8333°Lat 120.1°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