Field investigations with using high-precision RTK GPS technology were conducted at Pingtan Island of Fujian Province before the tenth Typhoon Matmo landed in 2014 and after almost a year. We analyzed morphological change of coastal transverse dune after typhoon Matmo. The results indicated that:(1) The basic morphological impacts of the typhoon Matmo on coastal transverse dune were comprised of reductions in volume and height. Dune volume decreased by 1.30%, and the maximum height of the slope crest was reduced by 1.43 m. However, the magnitude of morphological response was different in different sites over transverse dune.(2) The basic morphological change of coastal transverse dune after typhoon was comprised of increases in volume and height. Not last more than six months, volume and dune height can beyond the pre-typhoon volume and height in profile. The slope crest was monthly averagely increases by 0.39 m. Transverse dune on the windward can side recovery to the same as before the typhoon state, while the heights of leeward slope were increased markedly.(3) Morphological change of coastal transverse dune is related to not only adequate supplies of beach sands, but also strong onshore winds, dune morphology, and vegetation density. Among them, adequate supplies of beach sands and strong onshore winds play a critical role for transverse dune. However, the effect of typhoon on the morphological evolution of coastal transverse dunes is temporary and relatively limited.
Yang Lin
,
Dong Yuxiang
,
Huang Dequan
,
Huang Shangwu
,
Li Jiahui
. Morphological Change of Coastal Transverse Dune in Pingtan Island of China after Typhoon Matmo[J]. Journal of Desert Research, 2018
, 38(6)
: 1136
-1143
.
DOI: 10.7522/j.issn.1000-694X.2018.00008
[1] 杨林,董玉祥,杜建会.海岸沙丘对风暴响应研究进展[J].地球科学进展,2017,32(7):716-722.
[2] Wang P,Horwitz M H.Erosional and depositional characteristics of regional overwash deposits caused by multiple hurricanes[J].Sedimentology,2007,54(3):545-564.
[3] Pries A J,Miller D L,Branch L C.Identification of structural and spatial features that influence storm-related dune erosion along a barrier-island ecosystem in the Gulf of Mexico[J].Journal of Coastal Research,2008,24(S3):168-175.
[4] Wang P,Kirby J H,Haber J D,et al.Morphological and sedimentological impacts of Hurricane Ivan and immediate poststorm beach recovery along the northwestern Florida barrier-island coasts[J].Journal of Coastal Research,2006,22(6):1382-1402.
[5] Claudino-Sales V,Wang P,Horwitz M H.Factors controlling the survival of coastal dunes during multiple hurricane impacts in 2004 and 2005:Santa Rosa barrier island,Florida[J].Geomorphology,2008,95:295-315.
[6] Camacho-Valdéz V,Murillo-Jiménez J M,Nava-Sánchez E H,et al.Dune and beach morphodynamics at Cabo Falso,Baja California Sur,Mexico:response to natural,Hurricane Juliette(2001) and anthropogenic influence[J].Journal of coastal Research,2008,24(3):553-560.
[7] HouserC,Hamilton S.Sensitivity of post-hurricane beach and dune recovery to event frequency[J].Earth Surface Processes and Landforms,2009,34(5):613-628.
[8] Priestas A M,Fagherazzi S.Morphological barrier island changes and recovery of dunes after Hurricane Dennis,St.George Island,Florida[J].Geomorphology,2010,114:614-626.
[9] Suanez S,Cariolet J M,Cancouët R,et al.Dune recovery after storm erosion on a high-energy beach:Vougot Beach,Brittany(France)[J].Geomorphology,2012,139:16-33.
[10] Gervais M,Balouin Y,Belon R.Morphological response and coastal dynamics associated with major storm events along the Gulf of Lions Coastline,France[J].Geomorphology,2012,143:69-80.
[11] Castelle B,Marieu V,Bujan S,et al.Impact of the winter 2013-2014 series of severe Western Europe storms on a double-barred sandy coast:Beach and dune erosion and megacusp embayments[J].Geomorphology,2015,238:135-148.
[12] Dissanayake P,Brown J,Wisse P,et al.Effects of storm clustering on beach/dune evolution[J].Marine Geology,2015,370:63-75.
[13] Smallegan S M,Irish J L,Van Dongeren A R,et al.Morphological response of a sandy barrier island with a buried seawall during Hurricane Sandy[J].Coastal Engineering,2016,110:102-110.
[14] 董玉祥,黄德全,张雪琴.海岸爬坡沙丘形态对台风响应——以2014年"麦德姆"台风为例[J].中国沙漠,2016,36(4):865-870.
[15] 董玉祥,黄德全,张雪琴.海岸沙丘形态对台风响应的初步观测[J].地理研究,2016,35(10):1925-1934.
[16] 杨林,董玉祥,黄德全,等,海岸沙席形态及近表层沉积物粒度对台风的响应[J].地理科学,2017,37(8):1243-1245.
[17] 张文开.海坛岛风成沙基本特征及其开发利用意义[J].中国沙漠,1997,17(2):138-143.
[18] 董玉祥.中国海岸风沙地貌的类型及其分布规律[J].海洋地质与第四纪地质,2006,26(4):99-104.
[19] 张雪琴,董玉祥,杨林,等.海岸沙丘近表层粒度对台风的响应[J].中国沙漠,2016,36(6):1519-1526.
[20] 黄德全,董玉祥,哈斯,等.多站差分RTKGPS技术在海岸风沙观测中的应用[J].中山大学学报:自然科学版,2007,46(4):121-124.
[21] Łabuz T A.A review of field methods to survey coastal dunes-experience based on research from South Baltic coast[J].Journal of Coastal Conservation,2016,20(2):175-190.
[22] 董玉祥,黄德全.河北昌黎翡翠岛海岸沙丘移动的初步观测[J].中国沙漠,2013,33(2):486-492.
[23] 董玉祥,黄德全.海岸新月形沙丘移动与形态变化的典型研究[J].地理科学,2014,34(7):863-869.
[24] Houser C,Wernette P,Rentschlar E,et al.Post-storm beach and dune recovery:implications for barrier island resilience[J].Geomorphology,2015,234:54-63.
[25] Houser C,Hapke C,Hamilton S.Controls on coastal dune morphology,shoreline erosion and barrier island response to extreme storms[J].Geomorphology,2008,100:223-240.
[26] 钱广强,董治宝,罗万银,等.海岸横向沙丘背风侧沙粒风蚀起动的风洞模拟[J].干旱区地理,2007,30(1):66-70.
[27] 哈斯,王贵勇,董光荣.沙丘背风侧气流及其沉积类型与意义[J].沉积学报,2001,19(1):96-100.
