The absolute rate of mean sea level of Xiamen area is derived from the data of Xiamen tide gauge station and Xiamen GPS fiducial station of crustal movement observation network of China（CMONC）. The height variation ...The absolute rate of mean sea level of Xiamen area is derived from the data of Xiamen tide gauge station and Xiamen GPS fiducial station of crustal movement observation network of China（CMONC）. The height variation is discussed deeply in this paper, h is shown that height has periodic variations. So the rate of vertical land movement can not be precisely obtained only from several GPS campaigns. It is pointed out that the vertical crustal movement of tide gauge station should be monitored by using long-term continuous GPS observations.展开更多
The paper analyzes the characteristics of the vertical movement of the land in the coastal areas of China and its neighboring areas by using the GNSS observation data of the tide gauge at coastal stations of China and...The paper analyzes the characteristics of the vertical movement of the land in the coastal areas of China and its neighboring areas by using the GNSS observation data of the tide gauge at coastal stations of China and the land-based network GNSS reference stations in the neighboring areas,combined with the satellite altimeter and the sea-level observation data of the stations.The results show that the vertical movement of the land in China's coastal provinces and municipalities and coastal tide gauge stations is generally ascending from Liaoning to Jiangsu Province and subsiding from Shanghai to Quanzhou,Xiamen to Guangxi Autonomous Region coastal alternate pattern of elevation,local coastal plain areas such as southern Tianjin in the North China Plain,and Cang County in the Hebei Plain show significant subsidence characteristics.The uplift and subsidence of land at tide gauge stations is an important part of the relative sea level changes along the coast.The accurate characteristics of the vertical movement of land at tide gauge stations and its adjacent areas provides basis for analysis of relative sea level changes along the coast,assessment of sea level change impact and future sea level rise forecast.展开更多
An unidentified geophysical event is first reported in this paper. It was recorded with Lacoste & Romberg earth tide gravity meter (ET 21) at Chinese Antarctic Zhongshan Station.
为研究全球变暖和人类活动大背景中台风影响下的多年一遇潮位设计值是否发生改变,本文针对鲗鱼涌站台风暴潮过程极值序列,对基于年极值数据的非一致性广义可加模型(Generalized additive models for location,scale and shape,GAMLSS)...为研究全球变暖和人类活动大背景中台风影响下的多年一遇潮位设计值是否发生改变,本文针对鲗鱼涌站台风暴潮过程极值序列,对基于年极值数据的非一致性广义可加模型(Generalized additive models for location,scale and shape,GAMLSS)进行了改进,提出了非一致性条件下的泊松复合极值分布模型,并分别采用一致性设计值计算方法、期望超过次数(Expected number of exceedances,ENE)法、设计年限水平(Design life level,DLL)法、等可靠度(Equal reliability,ER)法和设计年限平均值(Average design life level,ADLL)法,计算了潮位设计值。研究表明,非一致方法计算的潮位设计值高于一致性方法计算的潮位设计值,且ER法和ADLL法适用性更广,可为海岸防灾减灾提供指导。展开更多
文摘The absolute rate of mean sea level of Xiamen area is derived from the data of Xiamen tide gauge station and Xiamen GPS fiducial station of crustal movement observation network of China（CMONC）. The height variation is discussed deeply in this paper, h is shown that height has periodic variations. So the rate of vertical land movement can not be precisely obtained only from several GPS campaigns. It is pointed out that the vertical crustal movement of tide gauge station should be monitored by using long-term continuous GPS observations.
文摘The paper analyzes the characteristics of the vertical movement of the land in the coastal areas of China and its neighboring areas by using the GNSS observation data of the tide gauge at coastal stations of China and the land-based network GNSS reference stations in the neighboring areas,combined with the satellite altimeter and the sea-level observation data of the stations.The results show that the vertical movement of the land in China's coastal provinces and municipalities and coastal tide gauge stations is generally ascending from Liaoning to Jiangsu Province and subsiding from Shanghai to Quanzhou,Xiamen to Guangxi Autonomous Region coastal alternate pattern of elevation,local coastal plain areas such as southern Tianjin in the North China Plain,and Cang County in the Hebei Plain show significant subsidence characteristics.The uplift and subsidence of land at tide gauge stations is an important part of the relative sea level changes along the coast.The accurate characteristics of the vertical movement of land at tide gauge stations and its adjacent areas provides basis for analysis of relative sea level changes along the coast,assessment of sea level change impact and future sea level rise forecast.
文摘An unidentified geophysical event is first reported in this paper. It was recorded with Lacoste & Romberg earth tide gravity meter (ET 21) at Chinese Antarctic Zhongshan Station.
文摘为研究全球变暖和人类活动大背景中台风影响下的多年一遇潮位设计值是否发生改变,本文针对鲗鱼涌站台风暴潮过程极值序列,对基于年极值数据的非一致性广义可加模型(Generalized additive models for location,scale and shape,GAMLSS)进行了改进,提出了非一致性条件下的泊松复合极值分布模型,并分别采用一致性设计值计算方法、期望超过次数(Expected number of exceedances,ENE)法、设计年限水平(Design life level,DLL)法、等可靠度(Equal reliability,ER)法和设计年限平均值(Average design life level,ADLL)法,计算了潮位设计值。研究表明,非一致方法计算的潮位设计值高于一致性方法计算的潮位设计值,且ER法和ADLL法适用性更广,可为海岸防灾减灾提供指导。
