• Journal of Geographical Sciences
  • Vol. 30, Issue 12, 2015 (2020)
Guodong LI1、2, Junhua ZHANG1、2、*, Parham A. MIRZAEI3, Shengyan DING1、2, Yapeng DING1, and Man LIU1
Author Affiliations
  • 1College of Environment and Planning, Henan University, Kaifeng 475004, Henan, China
  • 2Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions (Henan University), Ministry of Education, Kaifeng 475004, Henan, China
  • 3Department of Architecture and Built Environment, The University of Nottingham, Nottingham NG7 2RD, UK
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    DOI: 10.1007/s11442-020-1825-5 Cite this Article
    Guodong LI, Junhua ZHANG, Parham A. MIRZAEI, Shengyan DING, Yapeng DING, Man LIU. Monitoring thermal field, humidity field and energy balance over heterogeneous surfaces in the typical valley-city[J]. Journal of Geographical Sciences, 2020, 30(12): 2015 Copy Citation Text show less
    Study area shown in TM false-color image (R band 7, G band 4, B band 3)
    Fig. 1. Study area shown in TM false-color image (R band 7, G band 4, B band 3)
    Urbanization level of Lanzhou
    Fig. 2. Urbanization level of Lanzhou
    Urban built-up area at different periods in Lanzhou
    Fig. 3. Urban built-up area at different periods in Lanzhou
    Measurement points and routes of mobile surveys of urban climate in typical urban area of Lanzhou
    Fig. 4. Measurement points and routes of mobile surveys of urban climate in typical urban area of Lanzhou
    Comparative observation experiments between urban and rural areas using Bowen-Ratio Systems
    Fig. 5. Comparative observation experiments between urban and rural areas using Bowen-Ratio Systems
    Diurnal variation of thermal field in autumn
    Fig. 6. Diurnal variation of thermal field in autumn
    Diurnal variation of humidity field in autumn
    Fig. 7. Diurnal variation of humidity field in autumn
    Lanzhou land use/land cover map
    Fig. 8. Lanzhou land use/land cover map
    NDVI spatial pattern of Lanzhou
    Fig. 9. NDVI spatial pattern of Lanzhou
    Land-atmosphere heat fluxes and energy balance in autumn
    Fig. 10. Land-atmosphere heat fluxes and energy balance in autumn
    Temperature at 8:30 (℃)Temperature at 14:30 (℃)Temperature at 20:30 (℃)Relative humidity at 8:30 (%)Relative humidity at 14:30 (%)Relative humidity at 20:30 (%)
    Mean Error (ME)0.070.04-0.02-0.03-0.13-0.10
    Root Mean Squared Error (RMSE)0.700.940.881.981.031.25
    Table 1.

    Results of the cross validation

    Guodong LI, Junhua ZHANG, Parham A. MIRZAEI, Shengyan DING, Yapeng DING, Man LIU. Monitoring thermal field, humidity field and energy balance over heterogeneous surfaces in the typical valley-city[J]. Journal of Geographical Sciences, 2020, 30(12): 2015
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