Spatio-temporal Evolution of Surface Heat Flux During New Urbanization in Mountainous Areas: A Case Study of Yuelai New City

Table 2. Different land use types $z_{0}$ and reference values $z$
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Table 2. Different land use types $z_{0}$ and reference values $z$
土地类型城乡居民用地农田林地裸土地水域
$z$ 2.95 0.08 4 0 0
z₀ 0.15 0.001 0.075 0.000 1 0.000 03

Table 3. The storage heat coefficient of different underlying surfaces
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Table 3. The storage heat coefficient of different underlying surfaces
土地类型 a_1i a_2i a_3i
农田 0.32 0.54 -27.4
林地 0.11 0.11 -12.3
居民组合用地 0.24 0.43 -16.69
未利用地 0.7 0.33 -38.32

Table 4. Statistical comparison between simulated monthly net radiation and measured monthly net radiation
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Table 4. Statistical comparison between simulated monthly net radiation and measured monthly net radiation
月份 4月 5月 6月 7月 8月 9月
r 0.94 0.94 0.95 0.93 0.97 0.92
RMSE（W/m²） 45.62 60.22 50.38 54.70 47.22 46.59
MBE（W/m²） -14.84 10.02 11.49 -14.31 -1.99 -20.02
EF 0.88 0.83 0.90 0.92 0.90 0.92

Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m²）

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Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m²）

土地利用类型	净辐射			显热			潜热			土壤热通量
土地利用类型	1999年	2017年	2020年	1999年	2017年	2020年	1999年	2017年	2020年	1999年	2017年	2020年
水体	1 184	1 476	1 182	618	1 070	796	387	230	139	0	0	0
农田	1 157	1 456	1 189	625	883	667	387	530	493	72	41	85
林地	1 162	1 483	1 190	525	743	590	525	562	531	54	52	59
裸土地	0	1 453	0	0	1 100	0	0	219	0	0	134	0
居民用地	1 178	1 371	1 163	691	1 064	785	372	201	109	94	238	267

Table 6. Linear relationship between land use area and heat fluxes in Yuelai

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Table 6. Linear relationship between land use area and heat fluxes in Yuelai

土地利用类型	净辐射		显热		潜热		土壤热通量
土地利用类型	线性关系	R²	线性关系	R²	线性关系	R²	线性关系	R²
农田	y=-3355.1x+1296.6	0.148	y=498.65x+663.33	0.1	y=-259.68x+50.11	0.1	y=-176.86x+87.872	0.485
林地	y=-3223x+2192.3	0.298	y=1.9256x+618.22	0.01	y=21.897x+530.43	0.021	y=-105.9x+92.065	0.535
居民用地	y=140.82x+1292.9	0.294	y=-220.01x+998.29	0.388	y=-64.52x+168.46	0.326	y=116.08x+160.52	0.551

Table 7. Linear relationship between vegetation coverage and heat fluxes in Yuelai

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Table 7. Linear relationship between vegetation coverage and heat fluxes in Yuelai

类型	净辐射		显（感）热		潜热		土壤热通量
类型	线性关系	R²	线性关系	R²	线性关系	R²	线性关系	R²
农田	y=-1309x+2441.7	0.157	y=-1311.1x+1963	0.417	y=669.53x-92.745	0.617	y=-247.38x+294	0.274
林地	y=-485.98x+1684.9	0.364	y=-947.62x+1619.9	0.468	y=1178.6x-531.5	0.882	y=-246.12x+290.6	0.432
居民用地	y=-1572.9x+1633.4	0.909	y=-1697.7x+1317.7	0.933	y=310.12x+159.08	0.815	y=672.42x+29.022	0.777
裸土地	y=-862.36x+1570.1	0.301	y=-942.84x+1232.3	0.321	y=195.8x+117.57	0.362	y=366.01x+69.246	0.301
水体	y=1815.9x+654.89	0.404	y=2207.2x+164.69	0.395	y=554.23x-88.326	0.851	y=-1119.3x+604.57	0.508

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Qin ZHANG, Qingwei YANG, Shouping ZHANG. Spatio-temporal Evolution of Surface Heat Flux During New Urbanization in Mountainous Areas: A Case Study of Yuelai New City[J]. Remote Sensing Technology and Application, 2024, 39(2): 512

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Paper Information

Category: Research Articles

Received: Jul. 12, 2022

Accepted: --

Published Online: Aug. 13, 2024

The Author Email: ZHANG Qin (523897929@qq.com)

DOI:10.11873/j.issn.1004-0323.2024.2.0512

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. The plan positioning and construction period of Yuelai New city

Table 1. The plan positioning and construction period of Yuelai New city

Table 2. Different land use types z0 and reference values z

Table 2. Different land use types z0 and reference values z

Table 3. The storage heat coefficient of different underlying surfaces

Table 3. The storage heat coefficient of different underlying surfaces

Table 4. Statistical comparison between simulated monthly net radiation and measured monthly net radiation

Table 4. Statistical comparison between simulated monthly net radiation and measured monthly net radiation

Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m2）

Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m2）

Table 6. Linear relationship between land use area and heat fluxes in Yuelai

Table 6. Linear relationship between land use area and heat fluxes in Yuelai

Table 7. Linear relationship between vegetation coverage and heat fluxes in Yuelai

Table 7. Linear relationship between vegetation coverage and heat fluxes in Yuelai

Table 2. Different land use types $z_{0}$ and reference values $z$

Table 2. Different land use types $z_{0}$ and reference values $z$

Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m²）

Table 5. Annual heat fluxes of different land use types in different periods of Yuelai（W/m²）