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SCIENCE CHINA Earth Sciences, Volume 60 , Issue 6 : 1098-1109(2017) https://doi.org/10.1007/s11430-016-9032-9

An EcoCity model for regulating urban land cover structure and thermal environment: Taking Beijing as an example

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  • ReceivedNov 16, 2016
  • AcceptedMar 20, 2017
  • PublishedApr 17, 2017

Abstract


Funded by

major projects of the National Natural Science Foundation of China(41590842)

General Program of the National Natural Science Foundation of China(41371408)


Acknowledgment

This work was financially supported by the Major Projects of the National Natural Science Foundation of China (Grant No. 41590842) and General Program of the National Natural Science Foundation of China (Grant No. 41371408).


References

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  • Figure 1

    Structure of the EcoCity model.

  • Figure 2

    Input-output parameters of the EcoCity model.

  • Figure 3

    Distribution of urban land use, functional zones, and corresponding percentages of urban cover. (a) Land use in Beijing city; (b) fractions of urban impervious surface area located in built-up areas; (c) urban functional zones located in built-up areas; (d) percentage of urban impervious surface area and green area in different functional zones.

  • Figure 4

    Distribution of land surface temperatures in different dates: (a) August 16, 1984; (b) September 13, 1994; (c) September 8, 2004; (d) September 4, 2014.

  • Figure 5

    Distribution and statistics of radiant and heat fluxes. Spatial distribution of land surface temperature (a), Bowen ratio (b), sensible heat flux (c), and latent heat flux (d); the statistic values of land surface temperature (e), Bowen ratio (f), sensible heat flux (g), latent heat flux (h) from functional zones.

  • Figure 6

    Effectiveness of the greening projects in regulating urban thermal environment in (a) each functional zone, (b) each district.

  • Table 1   Statistical results of impervious surface area and green space in different functional zones

    Functional zones

    Area (km2)

    Area (km2)

    Ratio

    Green space

    Impervious surface

    Green space

    Impervious surface

    Residential zone

    37.97

    387.09

    482.88

    7.86%

    80.16%

    Commercial zone

    1.16

    9.34

    11.50

    10.09%

    81.22%

    Industrial zone

    15.95

    21.82

    46.63

    34.21%

    46.79%

    Public service zone

    9.34

    72.42

    88.30

    10.58%

    82.02%

    Traffic zone

    2.92

    28.45

    33.53

    8.71%

    84.85%

    Greenland zone

    103.18

    54.88

    181.10

    56.97%

    30.30%

    Water zone

    4.20

    2.45

    12.16

    34.54%

    20.15%

    Others

    2.75

    1.79

    4.67

    54.89%

    38.33%

    Total

    177.48

    578.23

    860.78

    20.62%

    67.18%

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