呼包鄂地区气候舒适度时空变化及其关键气象因子分析

doi:10.3969/j.issn.1673-503X.2022.02.010

Abstract

Abstract:

Based on the daily meteorological data in the Hohhot-Baotou-Ordos region from 1970 to 2019, the daily temperature-humidity index (THI), wind-efficiency index (WEI), index of clothing (ICL), and comprehensive comfort index (CCI) were used as the evaluation index for climate comfort.The characteristics of the climate comfort index, the key meteorological factors affecting the index, and the spatial distribution characteristics of comfortable days in this region were analyzed using trend analysis, Mann-Kendall test and path analysis.The results show that WHI, WEI and CCI show a significant upward trend, while ICL shows a significant downward trend.The comfort period is from April to October.The number of comfortable days reaches 68%-93% from May to September.The whole period from June to August is comfortable or relatively comfortable.Under the background of climate change in central Inner Mongolia in the 1990s, the comfort of the temperature, humidity and wind efficiency changed towards warm.The comprehensive comfort of the human body is getting better and better, which is suitable to live, travel and take summer vacation.Temperature and wind speed are the key meteorological factors to affect the climate comfort in the region, followed by sunshine.The number of comfortable and relatively comfortable days is less in the north and than in the south.As a whole, the number of comfortable days shows a fluctuating change.Compared with comfortable days, the number of relatively comfortable days continuously increases.Industrial production, human activities and the ecological environment affect the number of comfortable or relatively comfortable days.This study provides a scientific basis for the evaluation of the human settlement environment and summer tourism conditions, rational development of tourism resources, optimal development of future urban agglomerations, and the industrial expansion of urban construction and human activities.It provides theoretical support for the analysis of climate comfort change characteristics and key meteorological factors in a specific region.

Key words: Hohhot-Baotou-Ordos region, Climate comfort, Path analysis, Key meteorological factors

CLC Number:

P463.3

Jia-qi ZHAO. Spatial and temporal characteristics of climatic comfort and analysis of key meteorological factors in Hohhot-Baotou-Ordos region[J]. Journal of Meteorology and Environment, 2022, 38(2): 78-88.

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温湿指数THI		风效指数WEI		着衣指数ICL		等级符号	等级赋值
分级值	人体感觉	分级值	人体感觉	分级值	适宜衣着	等级符号	等级赋值
≤40	极冷	≤－1000	酷冷	≥2.5	羽绒或毛皮衣	e(极不舒适)	1
40—45	寒冷	-1000~-800	冷风	1.8—2.5	便服加外套	d(不舒适)	3
45—55	偏冷	-800~-600	稍冷风	1.5—1.8	冬季常用服装	c(较不舒适)	5
55—60	清凉	-600~-300	凉风	1.3—1.5	春秋常用服装	b(较舒适)	7
60—65	凉爽	-300~-200	舒适风	0.7—1.3	衬衫和便服	A(舒适)	9
65—70	温暖	-200~-50	暖风	0.5—0.7	轻便夏装	B(较舒适)	7
70—75	偏热	-50~80	稍暖风	0.3—0.5	短袖开领衫	C(较不舒适)	5
75—80	闷热	80—160	热风	0.1—0.3	热带单衣	D(不舒适)	3
≥40	极闷热	≥160	极热	≤0.1	热带薄单衣	E(极不舒适)	1

舒适度综合指数CCI	1≤CCI＜3	3≤CCI＜5	5≤CCI＜7	7≤CCI≤9
等级符号	D/d(不舒适)	C/c(较不舒适)	B/b(较舒适)	A(舒适)

指数类型	自变量	与指数相关系数	直接通径系数	间接通径系数				合计
指数类型	自变量	与指数相关系数	直接通径系数	温度	相对湿度	风速	日照	合计
THI	温度	0.9426^**	0.8960^**	-	0.0467	-	-	0.0467
THI	相对湿度	-0.4102^**	-0.1893^**	-0.2209	-	-	-	-0.2209
	温度	0.8520^**	0.5165^**	-	-	0.3775^**	-0.0420^**	0.3356^**
WEI	风速	-0.8817^**	-0.6167^**	-0.3162^**	-	-	0.0512^**	-0.2650^**
	日照	-0.2737^*	0.1314^**	-0.1649^**	-	-0.2402^**	-	-0.4051^**
ICL	温度	-0.8866^**	-0.8400^**	-	-	-0.0466	-	-0.0466
ICL	风速	0.5904^**	0.0761	0.5142^**	-	-	-	0.5142^**
CCI	温度	0.7585^*	0.5369^**	-	-0.0083	0.2251^**	0.0047	0.2216^**
	相对湿度	-0.1507	0.0336	-0.1324	-	-0.0572	0.0053	-0.1843
	风速	-0.6970^**	-0.3678^**	-0.3287^**	0.0052	-	-0.0058	-0.3293^**
	日照	-0.3415^*	-0.0149	-0.1714^*	-0.0120	-0.1433^**	-	-0.3267^*

[1]	Jing XU,Xian-mei LU,Zhi-gang LIU,Jin-mei SONG. Spatio-temporal variation of climate comfort degree in Qinhuangdao during 1966-2018 [J]. Journal of Meteorology and Environment, 2020, 36(3): 80-86.
[2]	LIU Jing-li,YANG Yang, LIANG Tao,SHI Kui-qiao,ZHANG Bing-bing,ZHANG-Hui,XU Chang-hua,SONG Min,LU Gang. The effect of meteorological factors on soybean yield [J]. Journal of Meteorology and Environment, 2013, 29(5): 136-139.

Spatial and temporal characteristics of climatic comfort and analysis of key meteorological factors in Hohhot-Baotou-Ordos region

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指数类型	月份	1970—1979年			1980—1989年			1990—1999年				2000—2009年			2010—2019年
指数类型	月份	A	b	B	A	b	B	A	b	B		A	b	B	A	b	B
	3	0	0	0	0	0	0	0	0	0		0	0	0	0	1	0
	4	1	6	0	1	5	0	1	7	0		2	7	0	3	8	0
	5	10	11	3	11	11	4	11	11	3		12	12	3	11	10	5
	6	13	3	14	12	2	15	11	2	16		8	2	17	8	2	18
THI	7	5	0	19	4	0	20	3	0	18		2	0	18	2	0	17
	8	12	2	13	13	2	13	10	0	16		9	1	17	8	1	17
	9	6	13	1	7	14	0	7	12	3		10	13	3	11	12	2
	10	0	2	0	1	4	0	0	2	0		0	4	0	1	3	0
	年累计日数	47	36	49	49	37	53	44	34	56		43	40	57	44	36	56
	3	0	2	0	0	3	0	0	7	0		0	7	0	0	10	0
	4	1	17	0	0	20	0	1	20	0		1	21	0	2	22	0
	5	7	20	2	7	18	3	8	18	3		10	16	4	9	16	6
	6	11	9	10	9	5	11	12	5	14		8	5	17	10	5	15
WEI	7	11	4	16	10	2	19	8	2	20		8	1	21	8	1	21
	8	12	8	11	9	7	9	12	4	15		10	4	17	13	2	16
	9	5	24	0	5	23	0	8	19	2		11	17	1	10	20	0
	10	0	21	0	0	22	0	0	24	0		0	24	0	0	24	0
	11	0	3	0	0	2	0	0	6	0	6	0	6	0	0	5	0
	年累计日数	46	107	40	40	103	43	49	104	55		49	102	60	52	105	57
	3	0	0	0	0	0	0	0	0	0		0	0	0	0	1	0
	4	2	4	0	1	3	0	3	5	0		5	5	0	4	5	0
	5	16	8	1	18	6	1	18	7	0		20	6	1	18	5	1
	6	24	2	4	25	1	4	23	1	5		20	1	8	24	1	5
ICL	7	20	0	9	19	0	9	18	0	9		15	0	10	16	0	11
	8	25	1	5	27	0	3	24	0	6		24	1	6	25	0	5
	9	15	8	0	15	9	0	16	7	1		20	6	0	18	6	0
	10	1	2	0	2	4	0	1	3	0		1	5	0	1	3	0
	年累计日数	102	25	19	109	23	17	103	23	21		105	23	25	106	22	23