Spatial variations in the Caspian Sea wave climate in 2002–2013 from satellite altimetry
作者: Nadezhda KudryavtsevaKuanysh KussembayevaZaure B. RakishevaTarmo Soomere
作者单位: 1Department of Cybernetics, School of Science, Tallinn University of Technology, Akadeemia tee 21, 12618 Tallinn, Estonia; nadezhda.kudryavtseva@taltech.ee
2Al-Farabi Kazakh National University, Department of Mechanics, al-Farabi av. 71, 050038 Almaty, Kazakhstan
3Department of Cybernetics, School of Science, Tallinn University of Technology, Akadeemia tee 21, 12618 Tallinn, Estonia / Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia
刊名: Estonian Journal of Earth Sciences, 2019, Vol.68 (4), pp.225-240
来源数据库: Estonian Academy Publishers Journal Database
DOI: 10.3176/earth.2019.16
关键词: Satellite altimetryValidationCaspian SeaWave climateClimate changeVisual wave observationsWave measurements.
原始语种摘要: The core properties of the wave climate and its changes in the Caspian Sea are established in terms of the annual mean significant wave height and its regional changes in 2002–2013 based on the outcome of the satellite altimetry mission JASON-1. Remotely estimated wave heights are validated against properties of the empirical distribution of instrumentally measured wave heights in the southern Caspian Sea and monthly averages of visually observed wave heights at three locations. A correction for systematic differences leads to very good correspondence between monthly averaged in situ and satellite data with a typical root mean square difference of 0.06 m. The average significant wave height in the Caspian Sea is 0.5–0.7 m in the northern basin of the sea, around 1.2 m in large parts of...
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关键词翻译
关键词翻译
  • climate 气候
  • altimetry 高度测量术
  • extreme 极端的
  • basin 盆地
  • averaged 平均
  • overestimate 估计过高
  • southern 南边的
  • southerly 南的
  • westerly 西风带
  • monthly 月刊的