Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China
Using narrowband and broadband solar radiation measurements collected at Wudaoliang (WDL) site in northern Tibetan Plateau (NTP) from September 1993 to December 1998, the relationship between monthly photosynthetically active radiation ( Q P ) and global solar radiation ( R S ) values is analyzed. T...
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| Veröffentlicht in: | Solar energy 2010-06, Vol.84 (6), p.964-973 |
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| creator | Li, Ren Zhao, Lin Ding, Yongjian Wang, Sheng Ji, Guoliang Xiao, Yao Liu, Guangyue Sun, Linchan |
| description | Using narrowband and broadband solar radiation measurements collected at Wudaoliang (WDL) site in northern Tibetan Plateau (NTP) from September 1993 to December 1998, the relationship between monthly photosynthetically active radiation (
Q
P
) and global solar radiation (
R
S
) values is analyzed. Temporal variability of the ratio (
Q
P
/
R
S
) and its further dependence on several meteorological variables are presented. The narrowband ratio exhibited diurnal and seasonal variability with high values during morning and afternoon hours and low values around noon in winter time, whereas during summer period the ratio was decreased from morning to afternoon. The ratio (
Q
P
/
R
S
) was correlated positively with several atmospheric parameters such as water vapor pressure and low-level cloud amount; in contrast, the ratio was negatively correlated with clearness index, relative sunshine duration and atmospheric turbidity. It was also found that both the relative sunshine duration and water vapor pressure are the most influential parameters on the estimations of the spectral PAR ratio. Finally, an empirically derived model is proposed for estimating monthly average PAR values over the northern Tibetan Plateau. Verification results further ensured that the proposed model predicts monthly global PAR values accurately. |
| doi_str_mv | 10.1016/j.solener.2010.03.005 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_osti_</sourceid><recordid>TN_cdi_osti_scitechconnect_21320552</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0038092X1000109X</els_id><sourcerecordid>2031358411</sourcerecordid><originalsourceid>FETCH-LOGICAL-c525t-91e0c37d43f3e737d2ea06b4f33ca5c0fee51a51450a8618ad2e8dc8c3c099193</originalsourceid><addsrcrecordid>eNqFkdFrFDEQxhdR8Kz-CUJQpD645yTZXHafpBy2Ci0WqSD4EOays16OvaQm2UL_e7Pe4YMP9mnC5DffMN9XVS85LDnw1fvdMoWRPMWlgNIDuQRQj6oFbzSvuVD6cbUAkG0Nnfj-tHqW0g6Aa97qRfXjKvi8He9ZxOxCYmFg12dfWQ7s5xg2OLIijbH89m4GPNsTpilSzzAzH2LeUvTsxm0oo2fXI2bC6R1bb53H59WTAcdEL471pPp2_vFm_am-_HLxeX12WVslVK47TmCl7hs5SNLlIQhhtWkGKS0qCwOR4qh4owDbFW-xAG1vWystdB3v5En1-qAbUnYmWZfJbm3wnmw2gksBSolCnR6o2xh-TZSy2btkaRzRU5iS0U2joRWdLuTb_5Jca81FJ7t59at_0F2Yoi_XGiG5lqCbWU8dIBtDSpEGcxvdHuO94WDmBM3OHBM0c4IGpCkJlrk3R3FMFschorcu_R0WQneq_XP_hwNHxeQ7V1SKB-Qt9S7OFvTBPbDpN9pGskk</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>231730747</pqid></control><display><type>article</type><title>Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China</title><source>Elsevier ScienceDirect Journals</source><creator>Li, Ren ; Zhao, Lin ; Ding, Yongjian ; Wang, Sheng ; Ji, Guoliang ; Xiao, Yao ; Liu, Guangyue ; Sun, Linchan</creator><creatorcontrib>Li, Ren ; Zhao, Lin ; Ding, Yongjian ; Wang, Sheng ; Ji, Guoliang ; Xiao, Yao ; Liu, Guangyue ; Sun, Linchan</creatorcontrib><description>Using narrowband and broadband solar radiation measurements collected at Wudaoliang (WDL) site in northern Tibetan Plateau (NTP) from September 1993 to December 1998, the relationship between monthly photosynthetically active radiation (
Q
P
) and global solar radiation (
R
S
) values is analyzed. Temporal variability of the ratio (
Q
P
/
R
S
) and its further dependence on several meteorological variables are presented. The narrowband ratio exhibited diurnal and seasonal variability with high values during morning and afternoon hours and low values around noon in winter time, whereas during summer period the ratio was decreased from morning to afternoon. The ratio (
Q
P
/
R
S
) was correlated positively with several atmospheric parameters such as water vapor pressure and low-level cloud amount; in contrast, the ratio was negatively correlated with clearness index, relative sunshine duration and atmospheric turbidity. It was also found that both the relative sunshine duration and water vapor pressure are the most influential parameters on the estimations of the spectral PAR ratio. Finally, an empirically derived model is proposed for estimating monthly average PAR values over the northern Tibetan Plateau. Verification results further ensured that the proposed model predicts monthly global PAR values accurately.</description><identifier>ISSN: 0038-092X</identifier><identifier>EISSN: 1471-1257</identifier><identifier>DOI: 10.1016/j.solener.2010.03.005</identifier><identifier>CODEN: SRENA4</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Atmosphere ; Atmospherics ; CHINA ; CLOUDS ; Correlation ; CORRELATIONS ; DAILY VARIATIONS ; Energy ; Exact sciences and technology ; Global solar radiation ; INSOLATION ; MATHEMATICAL MODELS ; METEOROLOGY ; Morning ; Narrowband ; Natural energy ; Photosynthesis ; Photosynthetically active radiation ; Quadratic programming ; SEASONAL VARIATIONS ; SOLAR ENERGY ; SOLAR FLUX ; SOLAR RADIATION ; Sun ; Tibetan Plateau ; TIME DEPENDENCE ; TURBIDITY ; VAPOR PRESSURE ; VERIFICATION ; WATER VAPOR</subject><ispartof>Solar energy, 2010-06, Vol.84 (6), p.964-973</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Pergamon Press Inc. Jun 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c525t-91e0c37d43f3e737d2ea06b4f33ca5c0fee51a51450a8618ad2e8dc8c3c099193</citedby><cites>FETCH-LOGICAL-c525t-91e0c37d43f3e737d2ea06b4f33ca5c0fee51a51450a8618ad2e8dc8c3c099193</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0038092X1000109X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22795819$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/21320552$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Ren</creatorcontrib><creatorcontrib>Zhao, Lin</creatorcontrib><creatorcontrib>Ding, Yongjian</creatorcontrib><creatorcontrib>Wang, Sheng</creatorcontrib><creatorcontrib>Ji, Guoliang</creatorcontrib><creatorcontrib>Xiao, Yao</creatorcontrib><creatorcontrib>Liu, Guangyue</creatorcontrib><creatorcontrib>Sun, Linchan</creatorcontrib><title>Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China</title><title>Solar energy</title><description>Using narrowband and broadband solar radiation measurements collected at Wudaoliang (WDL) site in northern Tibetan Plateau (NTP) from September 1993 to December 1998, the relationship between monthly photosynthetically active radiation (
Q
P
) and global solar radiation (
R
S
) values is analyzed. Temporal variability of the ratio (
Q
P
/
R
S
) and its further dependence on several meteorological variables are presented. The narrowband ratio exhibited diurnal and seasonal variability with high values during morning and afternoon hours and low values around noon in winter time, whereas during summer period the ratio was decreased from morning to afternoon. The ratio (
Q
P
/
R
S
) was correlated positively with several atmospheric parameters such as water vapor pressure and low-level cloud amount; in contrast, the ratio was negatively correlated with clearness index, relative sunshine duration and atmospheric turbidity. It was also found that both the relative sunshine duration and water vapor pressure are the most influential parameters on the estimations of the spectral PAR ratio. Finally, an empirically derived model is proposed for estimating monthly average PAR values over the northern Tibetan Plateau. Verification results further ensured that the proposed model predicts monthly global PAR values accurately.</description><subject>Applied sciences</subject><subject>Atmosphere</subject><subject>Atmospherics</subject><subject>CHINA</subject><subject>CLOUDS</subject><subject>Correlation</subject><subject>CORRELATIONS</subject><subject>DAILY VARIATIONS</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>Global solar radiation</subject><subject>INSOLATION</subject><subject>MATHEMATICAL MODELS</subject><subject>METEOROLOGY</subject><subject>Morning</subject><subject>Narrowband</subject><subject>Natural energy</subject><subject>Photosynthesis</subject><subject>Photosynthetically active radiation</subject><subject>Quadratic programming</subject><subject>SEASONAL VARIATIONS</subject><subject>SOLAR ENERGY</subject><subject>SOLAR FLUX</subject><subject>SOLAR RADIATION</subject><subject>Sun</subject><subject>Tibetan Plateau</subject><subject>TIME DEPENDENCE</subject><subject>TURBIDITY</subject><subject>VAPOR PRESSURE</subject><subject>VERIFICATION</subject><subject>WATER VAPOR</subject><issn>0038-092X</issn><issn>1471-1257</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkdFrFDEQxhdR8Kz-CUJQpD645yTZXHafpBy2Ci0WqSD4EOays16OvaQm2UL_e7Pe4YMP9mnC5DffMN9XVS85LDnw1fvdMoWRPMWlgNIDuQRQj6oFbzSvuVD6cbUAkG0Nnfj-tHqW0g6Aa97qRfXjKvi8He9ZxOxCYmFg12dfWQ7s5xg2OLIijbH89m4GPNsTpilSzzAzH2LeUvTsxm0oo2fXI2bC6R1bb53H59WTAcdEL471pPp2_vFm_am-_HLxeX12WVslVK47TmCl7hs5SNLlIQhhtWkGKS0qCwOR4qh4owDbFW-xAG1vWystdB3v5En1-qAbUnYmWZfJbm3wnmw2gksBSolCnR6o2xh-TZSy2btkaRzRU5iS0U2joRWdLuTb_5Jca81FJ7t59at_0F2Yoi_XGiG5lqCbWU8dIBtDSpEGcxvdHuO94WDmBM3OHBM0c4IGpCkJlrk3R3FMFschorcu_R0WQneq_XP_hwNHxeQ7V1SKB-Qt9S7OFvTBPbDpN9pGskk</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Li, Ren</creator><creator>Zhao, Lin</creator><creator>Ding, Yongjian</creator><creator>Wang, Sheng</creator><creator>Ji, Guoliang</creator><creator>Xiao, Yao</creator><creator>Liu, Guangyue</creator><creator>Sun, Linchan</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Pergamon Press Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><scope>7SU</scope><scope>H8D</scope><scope>7TG</scope><scope>KL.</scope><scope>OTOTI</scope></search><sort><creationdate>20100601</creationdate><title>Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China</title><author>Li, Ren ; Zhao, Lin ; Ding, Yongjian ; Wang, Sheng ; Ji, Guoliang ; Xiao, Yao ; Liu, Guangyue ; Sun, Linchan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c525t-91e0c37d43f3e737d2ea06b4f33ca5c0fee51a51450a8618ad2e8dc8c3c099193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Atmosphere</topic><topic>Atmospherics</topic><topic>CHINA</topic><topic>CLOUDS</topic><topic>Correlation</topic><topic>CORRELATIONS</topic><topic>DAILY VARIATIONS</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>Global solar radiation</topic><topic>INSOLATION</topic><topic>MATHEMATICAL MODELS</topic><topic>METEOROLOGY</topic><topic>Morning</topic><topic>Narrowband</topic><topic>Natural energy</topic><topic>Photosynthesis</topic><topic>Photosynthetically active radiation</topic><topic>Quadratic programming</topic><topic>SEASONAL VARIATIONS</topic><topic>SOLAR ENERGY</topic><topic>SOLAR FLUX</topic><topic>SOLAR RADIATION</topic><topic>Sun</topic><topic>Tibetan Plateau</topic><topic>TIME DEPENDENCE</topic><topic>TURBIDITY</topic><topic>VAPOR PRESSURE</topic><topic>VERIFICATION</topic><topic>WATER VAPOR</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Ren</creatorcontrib><creatorcontrib>Zhao, Lin</creatorcontrib><creatorcontrib>Ding, Yongjian</creatorcontrib><creatorcontrib>Wang, Sheng</creatorcontrib><creatorcontrib>Ji, Guoliang</creatorcontrib><creatorcontrib>Xiao, Yao</creatorcontrib><creatorcontrib>Liu, Guangyue</creatorcontrib><creatorcontrib>Sun, Linchan</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>OSTI.GOV</collection><jtitle>Solar energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ren</au><au>Zhao, Lin</au><au>Ding, Yongjian</au><au>Wang, Sheng</au><au>Ji, Guoliang</au><au>Xiao, Yao</au><au>Liu, Guangyue</au><au>Sun, Linchan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China</atitle><jtitle>Solar energy</jtitle><date>2010-06-01</date><risdate>2010</risdate><volume>84</volume><issue>6</issue><spage>964</spage><epage>973</epage><pages>964-973</pages><issn>0038-092X</issn><eissn>1471-1257</eissn><coden>SRENA4</coden><abstract>Using narrowband and broadband solar radiation measurements collected at Wudaoliang (WDL) site in northern Tibetan Plateau (NTP) from September 1993 to December 1998, the relationship between monthly photosynthetically active radiation (
Q
P
) and global solar radiation (
R
S
) values is analyzed. Temporal variability of the ratio (
Q
P
/
R
S
) and its further dependence on several meteorological variables are presented. The narrowband ratio exhibited diurnal and seasonal variability with high values during morning and afternoon hours and low values around noon in winter time, whereas during summer period the ratio was decreased from morning to afternoon. The ratio (
Q
P
/
R
S
) was correlated positively with several atmospheric parameters such as water vapor pressure and low-level cloud amount; in contrast, the ratio was negatively correlated with clearness index, relative sunshine duration and atmospheric turbidity. It was also found that both the relative sunshine duration and water vapor pressure are the most influential parameters on the estimations of the spectral PAR ratio. Finally, an empirically derived model is proposed for estimating monthly average PAR values over the northern Tibetan Plateau. Verification results further ensured that the proposed model predicts monthly global PAR values accurately.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.solener.2010.03.005</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0038-092X |
| ispartof | Solar energy, 2010-06, Vol.84 (6), p.964-973 |
| issn | 0038-092X 1471-1257 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21320552 |
| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Atmosphere Atmospherics CHINA CLOUDS Correlation CORRELATIONS DAILY VARIATIONS Energy Exact sciences and technology Global solar radiation INSOLATION MATHEMATICAL MODELS METEOROLOGY Morning Narrowband Natural energy Photosynthesis Photosynthetically active radiation Quadratic programming SEASONAL VARIATIONS SOLAR ENERGY SOLAR FLUX SOLAR RADIATION Sun Tibetan Plateau TIME DEPENDENCE TURBIDITY VAPOR PRESSURE VERIFICATION WATER VAPOR |
| title | Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China |
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