Radiative components dynamics at the Far East region

Shmirko, K. A.; Pavlov, Andrey N.; Stolyarchuk, S. Yu.; Salyuk, Pavel A.; Букин, О. А.

doi:10.1117/12.869619

Cited by 2 publications

(4 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The boundary layer height was assumed to be the height within the first 3000 m, for which the first derivative dδ(h)/dh had the global minimum. This method was successfully applied in our early works (Bukin et al, 2013;Shmirko et al, 2012). It is based on two statements: (1) concentration of aerosol particles sharply jumps at the BL boundary; and (2) the depolarization degree of the aerosol atmosphere is larger than the depolarization degree of the purely molecular atmosphere.…”

Section: Experimental Data and Methods Of Boundary Layer Height Determinationmentioning

confidence: 99%

“…Aerosol also substantially influences the processes of exchange of chemical compounds and elements between continent and ocean. Studies, performed by different authors, showed that transport of substances in aerosol composition via atmospheric channel is ranked second behind river discharge in significance (e.g., Shevchenko et al, 2000;Rahn, 1981). Transport of Saharan dust to the Atlantic Ocean (as far away as American coasts) by the trade wind, and the transport of Asian aerosol to Pacific and Indian oceans by monsoons, are examples of the most powerful continental flows.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

On measurements of aerosol–gas composition of the atmosphere during two expeditions in 2013 along Northern Sea Route

Sakerin¹,

Bobrikov²,

Букин³

et al. 2015

Preprint

View full text Add to dashboard Cite

Abstract. We presented the results of expedition measurements of the set of physical-chemical characteristics of atmospheric aerosol in water basins of Arctic and Far East seas, performed onboard RV Akademik Fedorov (17 August–22 September 2013) and RV Professor Khljustin (24 July–7 September 2013). The specific features of spatial distribution and time variations of aerosol optical depth (AOD) of the atmosphere in the wavelength range of 0.34–2.14 μm and boundary layer height, aerosol and black carbon mass concentrations, and disperse and chemical composition of aerosol are discussed. Over the Arctic Ocean (on the route of RV Akademik Fedorov) there is a decrease in aerosol and black carbon concentrations in northeastern direction: higher values were observed in the region of Spitsbergen and near the Kola Peninsula; and minimum values were observed at northern margins of the Laptev Sea. Average AOD (0.5 μm) values in this remote region were 0.03; the aerosol and black carbon mass concentrations were 875 and 22 ng m-3, respectively. The spatial distributions of most aerosol characteristics over Far East seas show their latitudinal decrease in the northern direction. On transit of RV Professor Khljustin from Japan to Chukchi Sea, the aerosol number concentration decreased, on the average, from 23.7 to 2.5 cm-3, the black carbon mass concentration decreased from 150 to 50 ng m-3, and AOD decreased from 0.19 to 0.03. We analyzed the variations in the boundary layer height, measured by ship-based lidar: the average value was 520 m, and the maximal value was 1200 m. In latitudinal distribution of the boundary layer height, there is a characteristic minimum at latitude of ∼ 55° N. For water basins of eight seas, we present the chemical compositions of water-soluble aerosol fraction (ions, elements) and small gaseous impurities, as well as estimates of their vertical fluxes. It is shown that substances are mainly (75–89 %) supplied from the atmosphere to the sea surface together with small gaseous impurities. The deposited ions account for from 11 to 24.5 %, and trace elements account for 0.2–0.4 %. The average vertical fluxes of aerosol substance are a factor of 4–7 larger in the Japan Sea than in the water basins of Arctic seas.

show abstract

Section: Experimental Data and Methods Of Boundary Layer Height Determinationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On measurements of aerosol–gas composition of the atmosphere during two expeditions in 2013 along Northern Sea Route

Sakerin¹,

Bobrikov²,

Букин³

et al. 2015

Preprint

View full text Add to dashboard Cite

show abstract

“…Studies, performed by different authors, showed that transport of substances in aerosol composition via atmospheric channel is ranked second behind river discharge in significance (e.g., Shevchenko et al, 2000;Rahn, 1981). Transport of Saharan dust to the Atlantic Ocean (as far away as American coasts) by the trade wind, and the transport of Asian aerosol to Pacific and Indian oceans by monsoons, are examples of the most powerful continental flows.…”

Section: S M Sakerin Et Al: On Measurements Of Aerosol-gas Composimentioning

confidence: 99%

“…Bleeding the air at a speed of 0.02 m 3 min −1 One-frequency polarization lidar (Bukin et al, 2007;Shmirko et al, 2010) S-and p-polarization of backscattered signal was recorded with a spatial resolution of 1.5 m along a laser beam. Maximal height of sounding was about 4000 m in the daytime and about 5000 m at nighttime.…”

Section: Characterization Of Expedition Measurementsmentioning

confidence: 99%

On measurements of aerosol-gas composition of the atmosphere during two expeditions in 2013 along the Northern Sea Route

et al. 2015

View full text Add to dashboard Cite

Abstract. We presented the results of expedition measurements of the set of physical-chemical characteristics of atmospheric aerosol in areas of the Arctic and Far East seas, performed onboard RV Akademik Fedorov (17 August-22 September 2013) and RV Professor Khljustin (24 July-7 September 2013). The specific features of spatial distribution and time variations of aerosol optical depth (AOD) of the atmosphere in the wavelength range of 0.34-2.14 µm and boundary layer height, aerosol and black carbon mass concentrations, and disperse and chemical composition of aerosol are discussed. Over the Arctic Ocean (on the route of RV Akademik Fedorov) there is a decrease in aerosol and black carbon concentrations in a northeastern direction: higher values were observed in the region of Spitsbergen and near the Kola Peninsula; and minimum values were observed at northern margins of the Laptev Sea. Average AOD (0.5 µm) values in this remote region were 0.03; the aerosol and black carbon mass concentrations were 875 and 22 ng m −3 , respectively. The spatial distributions of most aerosol characteristics over Far East seas show their latitudinal decrease in the northern direction. On transit of RV Professor Khljustin from the Japan Sea to the Chukchi Sea, the aerosol number concentration decreased on average from 23.7 to 2.5 cm −3 , the black carbon mass concentration decreased from 150 to 50 ng m −3 , and AOD decreased from 0.19 to 0.03. We analyzed the variations in the boundary layer height, measured by ship-based lidar: the average value was 520 m, and the maximal value was 1200 m. In latitudinal distribution of the boundary layer height, there is a characteristic minimum at a latitude of ∼ 55 • N. For water basins of eight seas, we present the chemical compositions of the water-soluble aerosol fraction (ions, elements) and small gasphase species, as well as estimates of their vertical fluxes. It is shown that substances are mainly (75-89 %) supplied from the atmosphere to the sea surface together with gas-phase species. The deposited ions account for from 11 to 24.5 %, and trace elements account for 0.2-0.4 % of the total sum of water-soluble components. The average vertical fluxes of aerosol substance are a factor of 4-7 larger in the Japan Sea than in the water basins of Arctic seas.

show abstract

Radiative components dynamics at the Far East region

Cited by 2 publications

References 6 publications

On measurements of aerosol–gas composition of the atmosphere during two expeditions in 2013 along Northern Sea Route

On measurements of aerosol–gas composition of the atmosphere during two expeditions in 2013 along Northern Sea Route

On measurements of aerosol-gas composition of the atmosphere during two expeditions in 2013 along the Northern Sea Route

Contact Info

Product

Resources

About