Morphological characteristics and remote sensing application

نویسندگان

چکیده

å‡†ç¡®é‡åŒ–åœ°è¡¨å¤ªé˜³è¾å°„é‡æ˜¯åå°„çŽ‡é¥æ„Ÿåæ¼”ä¹‹åŸºç¡€ï¼Œå¼€å±•åŸŽåŒºè¡¨é¢è¾å°„ç ”ç©¶å ·æœ‰é‡è¦æ„ä¹‰ã€‚æœ¬æ–‡é€‰æ‹©å¤©ç©ºè§†åŸŸå› å­ï¼ˆV)表征城区下垫面形态特征,并区分太阳直接辐射、天空漫辐射以及环境辐射的不同影响,构建了城区表面太阳辐射模型USSR(Urban Surface Solar Radiation);然后,以Landsat 8å¯è§å ‰å’Œè¿‘çº¢å¤–æ³¢æ®µé¥æ„Ÿæ•°æ®ä¸ºä¾‹ï¼Œåˆ†æžäº†USSRæ¨¡åž‹å¯¹äºŽé‡åŒ–åŸŽåŒºè¡¨é¢å¤ªé˜³è¾å°„çš„åº”ç”¨å‰æ™¯ã€‚ç ”ç©¶ç»“è®ºä¸ºï¼šï¼ˆ1)USSRæ¨¡åž‹ä»¥å¤©ç©ºè§†åŸŸå› å­ä¸ºæ ¸å¿ƒè¦ç´ ï¼Œæ¸ æ¥šé‡åŒ–äº†åŸŽåŒºè¡¨é¢å„è¾å°„åˆ†é‡ï¼Œæœ‰æ•ˆæ¨¡æ‹Ÿäº†åŸŽåŒºè¡¨é¢å¤ªé˜³è¾å°„ä¼ è¾“è¿‡ç¨‹ï¼Œèƒ½å¤Ÿè¾ƒå¥½åœ°è¡¨è¾¾åŸŽåŒºä¸‹åž«é¢å½¢æ€ç»“æž„å¯¹å ¥å°„è¾å°„çš„å½±å“ï¼›ï¼ˆ2)将USSR模型应用于Landsat 8é¥æ„Ÿæ•°æ®å¯è§å ‰å’Œè¿‘çº¢å¤–æ³¢æ®µæ—¶ï¼ŒåŸºäºŽUSSRæ¨¡åž‹ä¼°ç®—å¾—åˆ°çš„åŸŽåŒºè¡¨é¢å¤ªé˜³è¾å°„ï¼Œä¸Žä¸è€ƒè™‘ä¸‹åž«é¢å½¢æ€ç‰¹å¾å½±å“ç›¸æ¯”ï¼Œå‰è€ å¯ä»¥è¾ƒå¥½åœ°è¡¨è¾¾åŸŽåŒºä¸‹åž«é¢å¯¹å ¥å°„è¾å°„çš„â€œæˆªç•™â€ä½œç”¨ï¼›ï¼ˆ3)USSR模型估算结果与TEBæ¨¡åž‹ç›¸æ¯”ï¼ŒäºŒè€ å ·æœ‰è¾ƒé«˜çš„ç›¸å ³æ€§ï¼Œé—´æŽ¥éªŒè¯äº†USSR模型的可用性;(4)对USSR模型的V和下垫面反射率两变量进行敏感性分析,显示随着Vå€¼çš„å¢žåŠ ï¼Œç»“æžœå‘ˆé€’å¢žè¶‹åŠ¿ï¼›é€šå¸¸æƒ å†µä¸‹çš„åœ°è¡¨åå°„å‚æ•°P设置值,相对于参数V的影响要弱,呈现不敏感性。本文提出的USSR模型可订正城区表面太阳辐射值,从而拓展城市遥感的应用深度和广度。

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ژورنال

عنوان ژورنال: Journal of remote sensing

سال: 2021

ISSN: ['1007-4619', '2095-9494']

DOI: https://doi.org/10.11834/jrs.20209199