Mount Kenya global atmosphere watch station (MKN): Installation and meteorological characterization

Journal of Applied Meteorology and Climatology

Volumn 47, Issue 11, 2008, Pages 2946-2962

  Henne, Stephan ^a   Junkermann, Wolfgang ^b   Kariuki, Josiah M ^c   Aseyo, John ^c   Klausen, Jörg ^a  

^a SWISS FEDERAL LABORATORIES FOR MATERIALS SCIENCE AND TECHNOLOGY   (Switzerland)

^b KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^c KENYA METEOROLOGICAL DEPARTMENT   (Kenya)

Author keywords

[No Author keywords available]

Indexed keywords

AIR MASS; ATMOSPHERIC BOUNDARY LAYERS; COMPOSITION MEASUREMENTS; CONVECTIVE BOUNDARY LAYERS; DOWNSLOPE; GLOBAL ATMOSPHERE WATCHES; LONG-TERM TRENDS; METEOROLOGICAL CONDITIONS; METEOROLOGICAL PARAMETERS; MOUNTAINOUS TERRAINS; RESIDUAL LAYERS; SPECIFIC HUMIDITIES; THERMALLY INDUCED; WIND SYSTEMS;

AERODYNAMICS; ATMOSPHERIC HUMIDITY; ATMOSPHERIC THERMODYNAMICS; ATMOSPHERICS; BOUNDARY LAYER FLOW; BOUNDARY LAYERS; MOISTURE; MOUNTINGS; TROPOSPHERE;

ATMOSPHERIC COMPOSITION;

AIR MASS; BOUNDARY LAYER; CONVECTIVE BOUNDARY LAYER; MEASUREMENT METHOD; MICROMETEOROLOGY; MOUNTAIN REGION; RELATIVE HUMIDITY; TROPOSPHERE; WIND VELOCITY;

AFRICA; EAST AFRICA; KENYA; MOUNT KENYA; SUB-SAHARAN AFRICA;

EID: 65349150636     PISSN: 15588424     EISSN: None     Source Type: Journal    
DOI: 10.1175/2008JAMC1834.1     Document Type: Article

References (35)

1. Asnani, G. C., 1993: Tropical Meteorology. Vol. 1. Noble, 603 pp.
2. Atlas, E. L., and B. A. Ridley, 1996: The Mauna Loa observatory photochemistry experiment: Introduction. J. Geophys. Res., 101, 14 531-14 541.
3. Brenninkmeijer, C. A. M., 1996: Global Atmosphere Watch adds six new stations. Eos, Trans. Amer. Geophys. Union, 77, 109.
4. Davies, T. D., P. Brimblecombe, and C. E. Vincent, 1977: The daily cycle of weather on Mount Kenya. Weather, 32, 406-417.
5. Davies, T. D., C. E. Vincent, and P. Brimblecombe, 1979: Condensation nuclei and weather on Mount Kenya. J. Appl. Meteor., 18, 1239-1243.
6. Diab, R. D., A. M. Thompson, K. Mari, L. Ramsay, and G. J. R. Coetzee, 2004: Tropospheric ozone climatology over Irene, South Africa, from 1990 to 1994 and 1998 to 2002. J. Geophys. Res., 109, D20301, doi:10.1029/2004JD004793.
7. Findlater, J., 1969a: A major low-level air current near Indian Ocean during northern summer. Quart. J. Roy. Meteor. Soc., 95, 362-380.
8. Findlater, J., 1969b: Interhemispheric transport of air in lower troposphere over western Indian Ocean. Quart. J. Roy. Meteor. Soc., 95, 400-403.
9. Forrer, J., R. Ruttimann, D. Schneiter, A. Fischer, B. Buchmann, and P. Hofer, 2000: Variability of trace gases at the high-Alpine site Jungfraujoch caused by meteorological transport processes. J. Geophys. Res., 105, 12 241-12 251.
10. Gatebe, C. K., P. D. Tyson, H. Annegarn, S. Piketh, and G. Helas, 1999: A seasonal air transport climatology for Kenya. J. Geophys. Res., 104, 14 237-14 244.
11. Henne, S., M. Furger, and A. S. H. Prévôt, 2005: Climatology of mountain venting-induced moisture layers in the lee of the Alps. J. Appl. Meteor., 44, 620-633.
12. Henne, S., J. Klausen, W. Junkermann, J. M. Kariuki, J. O. Aseyo, and B. Buchmann, 2008: Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt. Kenya in equatorial Africa. Atmos. Chem. Phys., 8, 3119-3139.
13. Hulme, M., R. Doherty, T. Ngara, M. New, and D. Lister, 2001: African climate change: 1900-2100. Climate Res., 17, 145-168.
14. Leroux, M., 2001: The Meteorology and Climate of Tropical Africa. Springer, 548 pp.
15. Ma, J. Z., J. Tang, X. J. Zhou, and X. S. Zhang, 2002: Estimates of the chemical budget for ozone at Waliguan Observatory. J. Atmos. Chem., 41, 21-48.
16. Madden, R. A., and P. R. Julian, 1994: Observations of the 40-50-day tropical oscillation - A review. Mon. Wea. Rev., 122, 814-837.
17. Madronich, S., and S. Flocke, 1999: The role of solar radiation in atmospheric chemistry. The Handbook of Environmental Chemistry: Part L Environmental Photochemistry, Vol. 2, P. Boule, Ed., Springer, 1-26.
18. Mendonca, B. G., 1969: Local wind circulation on the slopes of Mauna Loa. J. Appl. Meteor., 8, 533-541.
19. Nyeki, S., F. Li, E. Weingartner, N. Streit, I. Colbeck, H. W. Gaggeler, and U. Baltensperger, 1998: The background aerosol size distribution in the free troposphere: An analysis of the annual cycle at a high-alpine site. J. Geophys. Res., 103, 31 749-31 761.
20. Schnell, R. C., 1978a: Some size and composition characteristics of aerosols at Mount Kenya, East Africa. Bull. Amer. Meteor. Soc., 59, 1519.
21. Schnell, R. C., 1978b: Report on the Mount Kenya Baseline Station Feasibility Study. Rep., World Meteorological Organization, 171 pp.
22. Seibert, P., F. Beyrich, S. E. Gryning, S. Joffre, A. Rasmussen, and P. Tercier, 2000: Review and intercomparison of operational methods for the determination of the mixing height. Atmos. Environ., 34, 1001-1027.
23. Singer, I. A., 1967: Steadiness of the wind. J. Appl. Meteor., 6, 1033-1038.
24. Slingo, J., H. Spencer, B. Hoskins, P. Berrisford, and E. Black, 2005: The meteorology of the western Indian Ocean, and the influence of the East African highlands. Philos. Trans. Roy. Soc. London, A363, 25-42.
25. Stohl, A., C. Forster, A. Frank, P. Seibert, and G. Wotawa, 2005: Technical note: The Lagrangian particle dispersion model FLEXPART version 6.2. Atmos. Chem. Phys., 5, 2461-2474.
26. Stull, R. B., 1988: An Introduction to Boundary Layer Meteorology. Kluwer Academic, 666 pp.
27. Thompson, A. M., and Coauthors, 2003: Southern Hemisphere Additional Ozonesondes (SHADOZ) 1998-2000 tropical ozone climatology 1. Comparison with Total Ozone Mapping Spectrometer (TOMS) and ground-based measurements. J. Geophys. Res., 108, 8238, doi:10.1029/ 2001JD000967.
28. Thompson, A. M., J. C. Witte, S. J. Oltmans, and F. J. Schmidlin, 2004: SHADOZ - A tropical ozonesonde-radiosonde network for the atmospheric community. Bull. Amer. Meteor. Soc., 85, 1549-1564.
29. Vergeiner, I., and E. Dreiseitl, 1987: Valley winds and slope winds - Observations and elementary thoughts. Meteor. Atmos. Phys., 36, 264-286.
30. Wang, T., H. L. A. Wong, J. Tang, A. Ding, W. S. Wu, and X. C. Zhang, 2006: On the origin of surface ozone and reactive nitrogen observed at a remote mountain site in the northeastern Qinghai-Tibetan Plateau, western China. J. Geophys. Res., 111, D08303, doi:10.1029/ 2005JD006527.
31. Whiteman, C. D., 1990: Observation of thermally developed wind systems in mountainous terrain. Atmospheric Processes over Complex Terrain, W. Blumen, Ed., Amer. Meteor. Soc., 5-42.
32. Whittlestone, S., S. D. Schery, and Y. Li, 1996: Pb-212 as a tracer for local influence on air samples at Mauna Loa Observatory, Hawaii. J. Geophys. Res., 101, 14 777-14 785.
33. World Meteorological Organization, 2001: Global Atmosphere Watch measurements guide. GAW Rep. 143/WMO Tech. Doc. 1073, 84 pp. [Available online at http://www.wmo.int/pages/prog/arep/gaw/documents/gaw143.pdf.]
34. World Meteorological Organization, 2007: WMO Global Atmosphere Watch (GAW) strategic plan: 2008-2015 - A contribution to the implementation of the WMO strategic plan: 2008-2011. GAW Rep. 172/WMO Tech. Doc. 1384, 62 pp. [Available online at http://www.wmo.int/pages/prog/arep/gaw/ documents/gaw172-26sept07.pdf.]
35. Zellweger, C., J. Forrer, P. Hofer, S. Nyeki, B. Schwarzenbach, E. Weingartner, M. Ammann, and U. Baltensperger, 2003: Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere. Atmos. Chem. Phys., 3, 779-796.