Article(id=1233908315927925275, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1233908308151685504, articleNumber=null, orderNo=null, doi=10.12284/hyxb2021176, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1613318400000, receivedDateStr=2021-02-15, revisedDate=1618761600000, revisedDateStr=2021-04-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1772116267425, onlineDateStr=2026-02-26, pubDate=1637769600000, pubDateStr=2021-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772116267425, onlineIssueDateStr=2026-02-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772116267425, creator=13701087609, updateTime=1772116267425, updator=13701087609, issue=Issue{id=1233908308151685504, tenantId=1146029695717560320, journalId=1149651085930835976, year='2021', volume='43', issue='11', pageStart='1', pageEnd='180', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772116265571, creator=13701087609, updateTime=1772116265571, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=146, endPage=156, ext={EN=ArticleExt(id=1233908316955529778, articleId=1233908315927925275, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=Determination of tropical cyclone location and intensity using HY-2B scatterometer data, columnId=1194652705852465724, journalTitle=Haiyang Xuebao, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
Tropical cyclone disaster is one of the most serious natural disasters, and its impact mainly depends on the center location and the intensity. Monitoring the location and the intensity of tropical cyclones is of great significance for improving the accuracy of tropical cyclone forecast and for reducing the impact of tropical cyclone disasters. In this paper, the characteristics of the HY-2B scatterometer wind field, as well as its divergence and curl, are analyzed. It is found that the divergence or curl of the wind field near the cyclone center shows remarkable signatures, such that a new method is proposed to identify the cyclone center, and then the results are compared with the conventional method. Moreover, a method for estimating the size of the tropical cyclone is introduced to evaluate the cyclone intensity. Finally, the remote sensing data of Typhoon Francisco and Typhoon Bualoi are used to verify the proposed methods. The results show that the difference between the cyclone center position determined by the scatterometer and the one of the optimal path is generally less than 20 km. Meanwhile, the determined wind radii correspond well with the development of the tropical cyclone.
, correspAuthors=Wenming Lin, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2021 Pratacultural Science. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Siqi Liu, Wenming Lin, Zhixiong Wang, Shuyan Lang), CN=ArticleExt(id=1233908319497278163, articleId=1233908315927925275, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=基于HY-2B散射计的热带气旋定位定强研究, columnId=1149698756456657529, journalTitle=海洋学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
热带气旋灾害是最严重的自然灾害之一,其影响程度主要取决于气旋的中心位置和强度。提高热带气旋中心位置及强度监测水平对于改进热带气旋分析预报精度、减少热带气旋的灾害影响具有重要意义。本文以HY-2B散射计为例,分析了散射计风场散度和旋度的分布特征,发现气旋中心附近风场的散度或旋度具有显著的分布规律,由此提出了一种新的气旋中心定位方法,并与传统的直接定位法进行比较研究。在此基础上,进一步提出了热带气旋风圈大小估计的方法,用于评估气旋的强度。最后,利用台风“范斯高”和“博罗依”的遥感数据对文中的方法进行验证,结果表明,使用新方法定位的气旋中心位置与最佳路径之间的差异小于20 km,散射计17 m/s风圈大小的变化一定程度上反映了气旋的发展规律。
, correspAuthors=林文明, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2021
刘思琦,林文明,王志雄,等. 基于HY-2B散射计的热带气旋定位定强研究[J]. 海洋学报,2021,43(11):146–156Liu Siqi,Lin Wenming,Wang Zhixiong, et al. Determination of tropical cyclone location and intensity using HY-2B scatterometer data[J]. Haiyang Xuebao,2021, 43(11):146–156
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Monthly Weather Review, 1984, 112(7): 1408−1418., articleTitle=null, refAbstract=null)], funds=[Fund(id=1233931837656068289, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, awardId=null, language=CN, fundingSource=国家自然科学基金青年基金(41906153);江苏省高等学校大学生创新创业训练计划(202010300072Y);南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0302), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1233931830903239559, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, xref=1, ext=[AuthorCompanyExt(id=1233931830911628167, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, companyId=1233931830903239559, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3南方海洋科学与工程广东省实验室(广州),广东 广州 511458)])], figs=[ArticleFig(id=1233931833889583156, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 1, caption=
Best track of typhoons, figureFileSmall=RpItPgYdSWdo3IoFs1ujLg==, figureFileBig=p1agLIwAG/NJsnmaZorfvQ==, tableContent=null), ArticleFig(id=1233931833990246455, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图1, caption=
台风最佳路径, figureFileSmall=RpItPgYdSWdo3IoFs1ujLg==, figureFileBig=p1agLIwAG/NJsnmaZorfvQ==, tableContent=null), ArticleFig(id=1233931834170601535, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 2, caption=
Wind field of Typhoon Francisco observed by HSCAT, figureFileSmall=cgBn+GOSWz5x8y7NvhEIsg==, figureFileBig=aNbF3CsYb/ETG1QPsAHYVw==, tableContent=null), ArticleFig(id=1233931834321596484, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图2, caption=
HSCAT观测的台风“范斯高”风场, figureFileSmall=cgBn+GOSWz5x8y7NvhEIsg==, figureFileBig=aNbF3CsYb/ETG1QPsAHYVw==, tableContent=null), ArticleFig(id=1233931834439037001, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 3, caption=
Wind field of Typhoon Bualoi observed by HSCAT, figureFileSmall=bi/dFXr663X2kSoxPPFhpA==, figureFileBig=TQtuYDRNXXwMjCRS1+RUCQ==, tableContent=null), ArticleFig(id=1233931834552283216, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图3, caption=
HSCAT观测的台风“博罗依”风场, figureFileSmall=bi/dFXr663X2kSoxPPFhpA==, figureFileBig=TQtuYDRNXXwMjCRS1+RUCQ==, tableContent=null), ArticleFig(id=1233931834686500949, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 4, caption=
Technical process for locating tropical cyclone center, figureFileSmall=QI+kxVnSHVQ80EPMyTxGjg==, figureFileBig=04lLsB0cVsbC4L6vBgVW7g==, tableContent=null), ArticleFig(id=1233931834778775639, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图4, caption=
热带气旋中心定位的技术路线, figureFileSmall=QI+kxVnSHVQ80EPMyTxGjg==, figureFileBig=04lLsB0cVsbC4L6vBgVW7g==, tableContent=null), ArticleFig(id=1233931834879438940, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 5, caption=
Typhoon center’s location by locating directlya. Wind stress component; b. divergence field; c. curl field; d. DC field
, figureFileSmall=TGnMED5ls6vkDJ6NHdCD3Q==, figureFileBig=2vBaU53bRjoCvX1v2m9EAg==, tableContent=null), ArticleFig(id=1233931835038822499, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图5, caption=
直接定位法定位台风中心位置a. 风矢量场;b. 散度场;c. 旋度场;d. 复合场
, figureFileSmall=TGnMED5ls6vkDJ6NHdCD3Q==, figureFileBig=2vBaU53bRjoCvX1v2m9EAg==, tableContent=null), ArticleFig(id=1233931835139485800, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 6, caption=
Contour of wind stress component, figureFileSmall=EulKTGk59pAwDRsMDkLTqw==, figureFileBig=nnjpu4LowIzE7a3M7KbMaQ==, tableContent=null), ArticleFig(id=1233931835290480747, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图6, caption=
风应力分量等值线分布, figureFileSmall=EulKTGk59pAwDRsMDkLTqw==, figureFileBig=nnjpu4LowIzE7a3M7KbMaQ==, tableContent=null), ArticleFig(id=1233931835395338350, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 7, caption=
Contour of divergence (a) and curl (b) of wind stress, figureFileSmall=qLw40jtgsXeGMTXAY30IRA==, figureFileBig=sh5f5DJ+zY3RpjTAvEfS5Q==, tableContent=null), ArticleFig(id=1233931835487613042, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图7, caption=
风应力散度(a)和旋度(b)等值线分布, figureFileSmall=qLw40jtgsXeGMTXAY30IRA==, figureFileBig=sh5f5DJ+zY3RpjTAvEfS5Q==, tableContent=null), ArticleFig(id=1233931835600859257, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 8, caption=
Tropical cyclone center locating by wind field characteristic parameters’ spatial geometric signaturesa. Wind stress component; b. divergence field; c. curl field; d. the location results show, wind stress component (green triangle), divergence (red rectangle), curl (blue circle), data interpolated through the best track dataset (yellow cross)
, figureFileSmall=xMxFDoJfc/elASATkB7hBQ==, figureFileBig=XGR9PDex1JBLb/D3nJS2+Q==, tableContent=null), ArticleFig(id=1233931835705716860, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图8, caption=
利用风场特征参数的空间几何特征定位热带气旋中心a. 风应力分量;b. 散度场;c. 旋度场;d. 定位结果显示,风应力分量(绿色三角)、散度(红色矩形)、旋度(蓝色圆形)、最佳路径插值数据(黄色十字)
, figureFileSmall=xMxFDoJfc/elASATkB7hBQ==, figureFileBig=XGR9PDex1JBLb/D3nJS2+Q==, tableContent=null), ArticleFig(id=1233931835802185858, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 9, caption=
The method of calculating the 17 m/s wind radiia. 24 effective azimuths; b. example diagram of sea surface wind speed profile
, figureFileSmall=AN/Q+Ct6Jb91iLEsYfGsGg==, figureFileBig=AIulDnqEHbfawU+jgT9/wA==, tableContent=null), ArticleFig(id=1233931835923820680, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图9, caption=
计算17 m/s风圈半径方法a. 24个有效方位;b. 海面风速剖面示例
, figureFileSmall=AN/Q+Ct6Jb91iLEsYfGsGg==, figureFileBig=AIulDnqEHbfawU+jgT9/wA==, tableContent=null), ArticleFig(id=1233931836032872589, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 10, caption=
17 m/s wind circle of Typhoon Francisco, figureFileSmall=nXL6vbvRTuIfNb+rHxjyKA==, figureFileBig=pPpwCHgvTdhDSzwi8Bu1zw==, tableContent=null), ArticleFig(id=1233931836116758674, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图10, caption=
台风“范斯高”17 m/s风圈示意图, figureFileSmall=nXL6vbvRTuIfNb+rHxjyKA==, figureFileBig=pPpwCHgvTdhDSzwi8Bu1zw==, tableContent=null), ArticleFig(id=1233931836250976406, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Fig. 11, caption=
17 m/s wind circle of Typhoon Bualoi, figureFileSmall=ZYaLJkowCy22OpFi7hu1mQ==, figureFileBig=C0dIPKjmY3d04LtFd4NvRQ==, tableContent=null), ArticleFig(id=1233931836376805532, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=图11, caption=
台风“博罗依”17 m/s风圈示意图, figureFileSmall=ZYaLJkowCy22OpFi7hu1mQ==, figureFileBig=C0dIPKjmY3d04LtFd4NvRQ==, tableContent=null), ArticleFig(id=1233931836515217565, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Table 1, caption=
Intensity’s contrast of Typhoon Franciscoat four moments
, figureFileSmall=null, figureFileBig=null, tableContent=
日期 参数 | 8月3日 15时 | 8月4日 16时 | 8月5日 4时 | 8月5日 16时 |
| HSCAT R17/km | 45.36 | 66.87 | 85.67 | 88.49 |
| HSCAT最大风速/(m·s−1) | 21.65 | 20.91 | 21.24 | 26.18 |
| 最佳路径最大风速/(m·s−1) | 23.00 | 28.00 | 32.38 | 32.64 |
| 最佳路径最低气压/hPa | 990.00 | 980.00 | 974.19 | 973.24 |
), ArticleFig(id=1233931836624269473, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=表1, caption=
4个时刻的台风“范斯高”强度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
日期 参数 | 8月3日 15时 | 8月4日 16时 | 8月5日 4时 | 8月5日 16时 |
| HSCAT R17/km | 45.36 | 66.87 | 85.67 | 88.49 |
| HSCAT最大风速/(m·s−1) | 21.65 | 20.91 | 21.24 | 26.18 |
| 最佳路径最大风速/(m·s−1) | 23.00 | 28.00 | 32.38 | 32.64 |
| 最佳路径最低气压/hPa | 990.00 | 980.00 | 974.19 | 973.24 |
), ArticleFig(id=1233931836737515686, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Table 2, caption=
Intensity’s contrast of Typhoon Bualoiat four moments
, figureFileSmall=null, figureFileBig=null, tableContent=
日期 参数 | 10月21日4时 | 10月22日4时 | 10月22日15时 | 10月24日5时 |
| HSCAT R17/km | 75.93 | 123.50 | 131.10 | 126.83 |
HSCAT最大风速/ (m·s−1) | 26.64 | 31.73 | 26.92 | 30.42 |
最佳路径最大风速/ (m·s−1) | 36.04 | 50.00 | 58.00 | 46.44 |
| 最佳路径最低气压/hPa | 968.27 | 940.00 | 925.00 | 947.61 |
), ArticleFig(id=1233931836850761898, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=表2, caption=
4个时刻的台风“博罗依”强度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
日期 参数 | 10月21日4时 | 10月22日4时 | 10月22日15时 | 10月24日5时 |
| HSCAT R17/km | 75.93 | 123.50 | 131.10 | 126.83 |
HSCAT最大风速/ (m·s−1) | 26.64 | 31.73 | 26.92 | 30.42 |
最佳路径最大风速/ (m·s−1) | 36.04 | 50.00 | 58.00 | 46.44 |
| 最佳路径最低气压/hPa | 968.27 | 940.00 | 925.00 | 947.61 |
), ArticleFig(id=1233931836955619500, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Table 3, caption=
The center locations of Typhoon Francisco and Typhoon Bualoi based on HSCAT (unit: km)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 台风“范斯高” | 8月3日15时 | | 8月4日16时 | | 8月5日4时 | | 8月5日16时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 41.03 | 64.89 | | 36.16 | 36.16 | | 37.98 | 59.73 | | 18.47 | 48.68 |
| 旋度场 | 21.70 | 88.63 | 39.28 | 53.30 | 64.83 | 32.74 | 66.27 | 24.67 |
| 复合场 | 31.36 | 47.08 | 43.92 | 53.30 | 72.16 | 50.40 | 55.24 | 56.00 |
| 几何定位法 | 风应力分量 | 46.05 | 32.64 | 10.74 | 13.97 | 35.75 | 19.14 | 6.72 | 20.03 |
| 散度场 | 12.34 | 28.76 | 7.36 | 20.55 | 26.98 | 4.39 | 6.16 | 14.96 |
| 旋度场 | 0.60 | 30.04 | 12.58 | 8.40 | 16.51 | 16.84 | 5.23 | 17.74 |
|
| 台风“博罗依” | 10月21日4时 | | 10月22日4时 | | 10月22日15时 | | 10月24日5时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 44.64 | 54.95 | | 51.38 | 47.99 | | 12.57 | 29.86 | | 29.15 | 29.15 |
| 旋度场 | 39.36 | 69.51 | 60.40 | 25.84 | 29.26 | 46.40 | 84.82 | 46.45 |
| 复合场 | 26.10 | 26.10 | 22.38 | 27.13 | 12.48 | 47.26 | 25.85 | 52.99 |
| 几何定位法 | 风应力分量 | 45.50 | 22.96 | 23.14 | 20.07 | 13.06 | 3.44 | 33.36 | 22.53 |
| 散度场 | 37.85 | 45.60 | 17.13 | 15.13 | 17.97 | 11.70 | 15.19 | 16.27 |
| 旋度场 | 52.81 | 44.58 | 20.36 | 6.66 | 19.32 | 19.32 | 6.67 | 30.13 |
), ArticleFig(id=1233931837081448625, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=表3, caption=
基于HSCAT数据的台风“范斯高”和台风“博罗依”中心位置对比(单位:km)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 台风“范斯高” | 8月3日15时 | | 8月4日16时 | | 8月5日4时 | | 8月5日16时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 41.03 | 64.89 | | 36.16 | 36.16 | | 37.98 | 59.73 | | 18.47 | 48.68 |
| 旋度场 | 21.70 | 88.63 | 39.28 | 53.30 | 64.83 | 32.74 | 66.27 | 24.67 |
| 复合场 | 31.36 | 47.08 | 43.92 | 53.30 | 72.16 | 50.40 | 55.24 | 56.00 |
| 几何定位法 | 风应力分量 | 46.05 | 32.64 | 10.74 | 13.97 | 35.75 | 19.14 | 6.72 | 20.03 |
| 散度场 | 12.34 | 28.76 | 7.36 | 20.55 | 26.98 | 4.39 | 6.16 | 14.96 |
| 旋度场 | 0.60 | 30.04 | 12.58 | 8.40 | 16.51 | 16.84 | 5.23 | 17.74 |
|
| 台风“博罗依” | 10月21日4时 | | 10月22日4时 | | 10月22日15时 | | 10月24日5时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 44.64 | 54.95 | | 51.38 | 47.99 | | 12.57 | 29.86 | | 29.15 | 29.15 |
| 旋度场 | 39.36 | 69.51 | 60.40 | 25.84 | 29.26 | 46.40 | 84.82 | 46.45 |
| 复合场 | 26.10 | 26.10 | 22.38 | 27.13 | 12.48 | 47.26 | 25.85 | 52.99 |
| 几何定位法 | 风应力分量 | 45.50 | 22.96 | 23.14 | 20.07 | 13.06 | 3.44 | 33.36 | 22.53 |
| 散度场 | 37.85 | 45.60 | 17.13 | 15.13 | 17.97 | 11.70 | 15.19 | 16.27 |
| 旋度场 | 52.81 | 44.58 | 20.36 | 6.66 | 19.32 | 19.32 | 6.67 | 30.13 |
), ArticleFig(id=1233931837219860663, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=EN, label=Table 4, caption=
The center locations of Typhoon Francisco and Typhoon Bualoi based on ASCAT (unit: km)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 台风“范斯高” | 8月3日8时 | | 8月4日7时 | | 8月4日20时 | | 8月5日9时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 22.40 | 18.06 | | 30.04 | 64.46 | | 32.68 | 29.62 | | 22.24 | 63.14 |
| 旋度场 | 22.40 | 92.94 | 18.58 | 32.20 | 36.62 | 31.43 | 39.73 | 57.40 |
| 复合场 | 22.40 | 61.21 | 7.38 | 82.00 | 40.12 | 14.75 | 46.73 | 54.62 |
| 几何定位法 | 风应力分量 | 27.69 | 72.72 | 22.53 | 44.03 | 16.26 | 18.08 | 16.57 | 26.35 |
| 散度场 | 32.27 | 72.80 | 22.83 | 30.23 | 8.21 | 10.26 | 7.27 | 29.53 |
| 旋度场 | 28.12 | 63.52 | 20.59 | 32.28 | 2.65 | 12.06 | 10.50 | 17.12 |
|
| 台风“博罗依” | 10月21日19时 | | 10月22日7时 | | 10月23日8时 | | 10月23日19时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 16.78 | 13.65 | | 6.86 | 69.66 | | 7.34 | 58.62 | | 21.18 | 22.38 |
| 旋度场 | 36.17 | 36.17 | 23.84 | 26.48 | 19.34 | 17.73 | 29.77 | 70.83 |
| 复合场 | 14.41 | 20.65 | 23.84 | 70.42 | 20.38 | 17.73 | 21.18 | 29.53 |
| 几何定位法 | 风应力分量 | 19.74 | 13.62 | 14.93 | 33.31 | 5.49 | 38.13 | 9.71 | 21.24 |
| 散度场 | 14.97 | 18.23 | 16.27 | 21.29 | 12.91 | 37.68 | 41.69 | 54.86 |
| 旋度场 | 20.26 | 27.68 | 19.86 | 28.60 | 21.40 | 42.79 | 29.77 | 30.67 |
), ArticleFig(id=1233931837312135354, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233908315927925275, language=CN, label=表4, caption=
基于ASCAT数据的台风“范斯高”和台风“博罗依”中心位置对比(单位:km)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 台风“范斯高” | 8月3日8时 | | 8月4日7时 | | 8月4日20时 | | 8月5日9时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 22.40 | 18.06 | | 30.04 | 64.46 | | 32.68 | 29.62 | | 22.24 | 63.14 |
| 旋度场 | 22.40 | 92.94 | 18.58 | 32.20 | 36.62 | 31.43 | 39.73 | 57.40 |
| 复合场 | 22.40 | 61.21 | 7.38 | 82.00 | 40.12 | 14.75 | 46.73 | 54.62 |
| 几何定位法 | 风应力分量 | 27.69 | 72.72 | 22.53 | 44.03 | 16.26 | 18.08 | 16.57 | 26.35 |
| 散度场 | 32.27 | 72.80 | 22.83 | 30.23 | 8.21 | 10.26 | 7.27 | 29.53 |
| 旋度场 | 28.12 | 63.52 | 20.59 | 32.28 | 2.65 | 12.06 | 10.50 | 17.12 |
|
| 台风“博罗依” | 10月21日19时 | | 10月22日7时 | | 10月23日8时 | | 10月23日19时 |
| $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ | $ D_1$ | $ D_2$ |
| 直接定位法 | 散度场 | 16.78 | 13.65 | | 6.86 | 69.66 | | 7.34 | 58.62 | | 21.18 | 22.38 |
| 旋度场 | 36.17 | 36.17 | 23.84 | 26.48 | 19.34 | 17.73 | 29.77 | 70.83 |
| 复合场 | 14.41 | 20.65 | 23.84 | 70.42 | 20.38 | 17.73 | 21.18 | 29.53 |
| 几何定位法 | 风应力分量 | 19.74 | 13.62 | 14.93 | 33.31 | 5.49 | 38.13 | 9.71 | 21.24 |
| 散度场 | 14.97 | 18.23 | 16.27 | 21.29 | 12.91 | 37.68 | 41.69 | 54.86 |
| 旋度场 | 20.26 | 27.68 | 19.86 | 28.60 | 21.40 | 42.79 | 29.77 | 30.67 |
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