Satellite-derived UV climatology at Escudero Station, Antarctic Peninsula

Cordero, Raúl R.; Damiani, Alessandro; Seckmeyer, Günther; Riechelmann, Stefan; Labbé, Fernando; Laroze, David; Gárate, Fernanda

doi:10.1017/s0954102013000175

Cited by 12 publications

(11 citation statements)

References 37 publications

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“…4a). This is similar to the range of CMF EUV (0.3 to 0.7) obtained at the Escudero station located near the King Sejong station (Cordero et al, 2013). For all cloudy conditions, the CMF EUV also apparently decreases as SZA becomes higher, averagely from 0.60 to 0.31 (Fig.…”

Section: Sza (Degree)supporting

confidence: 85%

Influence of cloud fraction and snow cover to the variation of surface UV radiation at King Sejong station, Antarctica

Lee

Koo

Kim

2015

Atmospheric Research

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Section: Sza (Degree)supporting

confidence: 85%

Influence of cloud fraction and snow cover to the variation of surface UV radiation at King Sejong station, Antarctica

Lee

Koo

Kim

2015

Atmospheric Research

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“…However, over snow-covered surfaces the OMI-derived dose is generally lower than the ground-based measurement because the OMI algorithm uses climatological surface albedo that may then be lower than the actual effective surface albedo [42] , [43] . Part of the problem is that a portion of the observed reflectivity may be incorrectly interpreted as cloud cover, which reduces the estimated irradiance [3] .…”

Section: Methodsmentioning

confidence: 99%

“…Although the latter may significantly modulate the surface UV, in Antarctica the load of aerosols is extremely low [1] . Moreover, while heavily overcast conditions can reduce surface UV irradiance up to 90% in the Antarctic Peninsula [2] , [3] , the role of clouds is less important on the Antarctic plateau. Therefore, surface UV in Antarctica is driven by ozone and by albedo.…”

Section: Introductionmentioning

confidence: 99%

UV Irradiance and Albedo at Union Glacier Camp (Antarctica): A Case Study

et al. 2014

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We report on the first spectral measurements of ultraviolet (UV) irradiance and the albedo at a Camp located in the southern Ellsworth Mountains on the broad expanse of Union Glacier (700 m altitude, 79° 46′ S; 82° 52′W); about 1,000 km from the South Pole. The measurements were carried out by using a double monochromator-based spectroradiometer during a campaign (in December 2012) meant to weight up the effect of the local albedo on the UV irradiance. We found that the albedo measured at noon was about 0.95 in the UV and the visible part of the spectrum. This high surface reflectivity led to enhancements in the UV index under cloudless conditions of about 50% in comparison with snow free surfaces. Spectral measurements carried out elsewhere as well as estimates retrieved from the Ozone Monitoring Instrument (OMI) were used for further comparisons.

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“…An improved understanding of the radiation is therefore helpful to determine the impact of current and future changes on the climate in Antarctica. Angular distribution of solar radiance and its spectral characteristics are key radiative quantities to study the impact of climate changes in Antarctica (Cordero et al 2013(Cordero et al , 2014. These quantities and the absorption characteristics of snow determine how much radiation is reflected back to space and how much snow melts should temperatures rise.…”

Section: Progress In the Measurements Of Sky Luminance And Sky Radiancementioning

confidence: 99%

Meteorology and oceanography of the Atlantic sector of the Southern Ocean—a review of German achievements from the last decade

et al. 2016

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German universities and the AWI as well as other institutes involved in polar research. Here, we review the main findings in meteorology and oceanography of the last decade, funded by the priority program. The paper presents field observations and modelling efforts, extending from the stratosphere to the deep ocean. The research spans a large range of temporal and spatial scales, including the interaction of both climate components. In particular, radiative processes, the interaction of the changing ozone layer with large-scale atmospheric circulations, and changes in the sea ice cover are discussed. Climate and weather forecast models provide an insight into the water cycle and the climate change signals associated with synoptic cyclones. Investigations of the atmospheric boundary layer focus on the interaction between atmosphere, sea ice and ocean in the vicinity of polynyas and leads. The chapters dedicated to polar oceanography review the interaction between the ocean and ice shelves with regard to the freshwater input and discuss the changes in water mass characteristics, ventilation and formation rates, crucial for the deepest limb of the global, climate-relevant meridional overturning circulation. They also highlight the associated storage of anthropogenic carbon as well as the cycling of carbon, nutrients and trace metals in the ocean with special emphasis on the Weddell Sea.

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Satellite-derived UV climatology at Escudero Station, Antarctic Peninsula

Abstract: Abstract:We have used data

Cited by 12 publications

References 37 publications

Influence of cloud fraction and snow cover to the variation of surface UV radiation at King Sejong station, Antarctica

Influence of cloud fraction and snow cover to the variation of surface UV radiation at King Sejong station, Antarctica

UV Irradiance and Albedo at Union Glacier Camp (Antarctica): A Case Study

Meteorology and oceanography of the Atlantic sector of the Southern Ocean—a review of German achievements from the last decade

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