Vancouver, Canada 19-24 July, 1998


Daily Program and Key to the Proceedings

Sunday, July 19

3:00 pm to 7:00 pm


Monday, July 20

7:00 am to 8:00 am

Continental Breakfast in the foyer by the meeting rooms
7:30 am to 5:00 pm Registration
8:30 am to 9:30 am Opening of Conference, Keynote addresses

a. Robert Anderson, Vice President, Americas Branch,
Canadian International Development Agency

b. Dennis Biggs, Consul General of Chile,
Chilean Consulate in Vancouver

c. Maureen ONeil, President,
International Development Research Centre

9:30 am to 10:00 Coffee Break

Note: In the Session Lists given below, the name of the person presenting the paper is underlined.


Monday, July 20 10:00 to 12:00 am


Session 1A



The NEVALPA project: fog chemical climatology over the Po Valley basin Facchini

M.C., Fuzzi S. and G. Orsi 1-4

Documented 50 year change in acidity and chemistry of New England fog Jagels R., Cunningham R., Carlisle J. and M. Day 5-8


Visibility related to fog, mist and haze observed in Chongwon, Korea Chung Y.S 9-12


Comparisons of fogwater composition collected at 3 different sites

Herckes P., Wortham H., Millet M. and Ph. Mirabel 13-16


Fog chemistry in Southern Germany: analysis of routine measurements and model calculations Forkel R. and W. Seidel 17-20


Acid wet deposition in North America (153) Ro C.U. and R.J. Vet 21-24


Session 1B



Importance of cloud-water in Venezuelan Andean cloud forest water dynamics Ataroff M. 25-28


Interception of horizontal precipitation by elfin cloud forest in the Luquillo Mountains, Eastern Puerto Rico Schellekens J., Bruijnzeel L. A., Wickel A. J., Scatena F. N. and W. L. Silver 29-32


Estimates of fog interception by montane rain forest in the Blue Mountains of Jamaica Hafkenscheid R.L.L.J., Bruijnzeel L.A. and R.A.M. de Jeu 33-36


Fundy fogs: their changing chemistry and impacts on two birch species

Cox R.M., Kouterick K.B., Hurly J. E., Malcolm J.W., Skelly J.M. and S.P. Pennypacker 37-40


Acidic fog and Septoria Betulae pass. Impacts on two birch species along the Bay of Fundy, Canada Kouterick K.B., Skelly J.M., Pennypacker S.P., and R.M. Cox 41-43


Evaluation of a model relating cloud-water interception, rainfall and tree canopy throughfall in a Hawaiian montane forest Juvik J.O., and D. Nullet 45-48

A set of routines for Assessing the site potential of making use of Occult precipitation: design proposal and status report Diestel H., Brechtel H.-M., Bobert J., Schliep R., and M. Schmidt 49-52


12:00 pm - 1:30 pm Lunch




Monday, July 20 1:30 to 3:30 pm


Session 2A




Cloud chemistry in the Eastern United States: results of the Mountain Acid Deposition Program Anderson J., Baumgardner R., Mohnen V., Bowser J. and S. Isil 53-56


Cloud water chemistry and impact on total deposition of sulfur and nitrogen at different elevational levels in an alpine valley (Achenkirch, 930 - 1758 m a.s.l., Tyrol, Austria) Kalina M.F., Zambo E. and H. Puxbaum 57-60


Organo-metallic compounds in central European fog Wrzesinsky Th., Klemm O., Ostertag-Henning Ch. and G. Ligen 61-64


Cloudwater observations in the Czech Krusne Hory mountain plateau, overlooking a heavily industrialised valley Bridges K.S., Davies T.D, Jickells T.D, Zeman Z. and I. Hunova 65-68


Cloud/fog water chemistry at high elevation in the Sudeten Mountains, South-Western Poland Kmiec G., Zwozdziak A, Acker K. and W.Wieprecht 69-72


The contribution of hill fog to pollutant deposition at a Mountain site in Northern England Inglis D.W.F., Choularton T.W., Dunning B.J. and P.Cook 73-76


Fog water chemistry at high altitudes in Mexico Báez A.P., Padilla H.G. and

F. García-García 77-80


Session 2B


The ecological and physiological significance of occult precipitation in an Australian rainforest Yates D.J., Hutley L.B, Doley D. and A. Boonsaner 81-84

Canopy meteorological conditions during fog deposition to an Australian rainforest at the end of the dry season Hutley L.B., Doley D. and D.J. Yates 85-88

Fog water collection for agricultural uses in the Darjiling-Himalaya, India Bera A.K. 89-92

Water requirement augmentation from fogs in hills agriculture de Guzman, R.N. and A.M de Guzman 93-95

Fog as a water source for foggy forest at the Colombian andean watersheds Jiménez H.97-100

Fog precipitation in the Sierra de las Minas Biosphere Reserve, Guatemala Holder C. D. 101-103

The impact of acidity of fog on chromium toxicity Abbasi S.A. 105-107


3:30 pm to 4:00 pm Coffee Break



Monday, July 20 4:00 to 5:30 pm


Session 3A



Comparison of the chemistry of fog water from mountain sites and cloud water from airborne platforms Couture M.D., Banic C.M., Schemenauer R.S., Leaitch W.R. and H.A.Wiebe 109-112


The use of empirical models in estimating sulfate and nitrate deposition from fog in mountainous areas Urquizo N., Walmsley J. L., Brook J. R. and Burrows W. R. 113-116


Chemistry of mountain clouds observed in the northern Taiwan Lin N-H. and C-M. Peng 117-120


Properties of fogs at Storm Peak Laboratory in the northern Colorado Rockies, USA Hindman E. E. and R.D. Borys 121-124



Trends in cloud chemistry in the eastern United States Anderson J., Baumgardner, R., Mohnen, V. and J. Bowser 125-128


Session 3B




An automated collector for fog chemical climatology Fuzzi S. and G. Orsi 129-132

Two new multistage impactors for drop size-dependent fog and cloud sampling Collett J.L.Jr., Moore K. and D. Straub 133-136


Design, construction and operation of a system of a fog water collector Cruzat A. 137-140


Enhancement of fog-water collector efficiency Chernikov A.A. and M.N. Khaikine 141-143


Instrument-related problems in collecting fog water in tropical regions with low wind speed Padilla H.G., García-García F. and A.P. Báez 145-147


Standards for measuring fog liquid water content Gerber H. 149-152


Tuesday, July 21


7:00 to 8:00 am Continental Breakfast


8:00 am to 12:00 pm Registration



Tuesday, July 21 8:30 to 10:00 am


Session 4A




Fog studies in the Bay of Fundy over a span of 60 years Cunningham R.M. 153-156


Fog deposition of nitrogen in the coastal marine environment of the Gulf of Maine Jordan C.E., Talbot R.W. and B.W. Mosher 157-160


Base cation and acidic deposition by fog, rain, and aerosol at a UK coastal site Inglis D., Gallagher M.W. and T.W. Choularton 161-162


The role of cloud in determining ozone concentrations in the lower troposhere Banic C.M., Schemenauer R.S., Anlauf K.G. and K.I.A. MacQuarrie 163-166


Pesticides in fogwater samples collected in a rural area Millet M., Wortham H., Sanusi A. and Ph. Mirabel 167-170



Chemistry and deposition of acidifying substances by marine advection fog in Atlantic Canada Beauchamp S., Tordon R. and A. Pinette 171-174


Session 4B




Fog-dependent vegetation and ecosystems in the dry lands of Africa Le Houerou H. N. 175-178


Evaluation of Fog-Harvesting potential in Namibia Mtuleni V., Henschel J. R. and M.K. Seely 179-182


The ecology of fog in Namib desert dunes Seely M., Henschel J. R. and M. Robertson 183-186


The chemistry of Namib Desert fog in comparison with coastal desert fog of Chile and Oman Eckardt F.D. and R.S. Schemenauer 187-190


The coastal fog (Camanchaca): a water resource available for the benefit of desert communities Canto W. 191-193


10:00 am to 10:30 am Coffee Break



Tuesday, July 21 10:30 to 12:00 am


Session 5A




Collection of mountaintop clouds by a size segregated sampler: implications on regional climate Saxena, V.K. and S. Menon 195-198


Use of laser-induced plasma spectroscopy to detect trace level of contaminants in fog droplets Cheng M.D. 199-202


Size-dependent chemistry of fog and cloud droplets Fuzzi, S., Laj P., Facchini M.C. and Ricci, L. and A. Berner 203-206


The drop size-dependence of cloud and fog chemistry Collett J.L.Jr., Bator A., Hoag K., Moore K., Rao X., Sherman D.E. and G. Xu 207-210


The chemical and physical properties of individual cloud droplets Ganor E. 211-212


Fine scale variations in pollutant deposition caused by the scavenging of hill fog by raindrops Inglis D.W.F and T.W. Choularton 213-216


Session 5B




Human occupation and resources in a fog-covered site in Alto Patache (south of Iquique, Northern Chile) Larrain H., Cereceda P., Schemenauer R.S., Osses P., Lázaro P. and A. Ugarte 217-220


Origins of some salines and nitrates in deserts Saint-Amand P. and D.C.H. Saint-Amand 221-224


Plant-fog interactions in California and Chile Dawson T.E. and P.E. Vidiella 225-228


Fog assisted wildlife conservation - The Arabian Oryx Sanctuary in Oman

Brend S. 229-232


12:00 pm to 13:30 pm Lunch



Tuesday, July 21 1:30 to 3:30 pm


Session 6A



Conditions for fog formation in the south coast of Brazil de Oliveira V.M. and N. Fedorova 233-236


Meteorological and forecasting studies of fog over Zambia Mudenda O.S. 237-240


Fog forecasting using back-propagation algorithm Manso Ramos V.F. 241-244


Influence of relief on the origin and behaviour of fog at Tarapaca, Chile

Osses P., Cereceda P., Larrain H. and R.S. Schemenauer 245-247


Superrefraction echoes analysis in fog days in La Plata River and its coastal zones

Nuñez J.M. 249-252


Session 6B




Detecting and quantifying dew in semi-arid irrigated and desert valleys Malek E. 253-256


Dew and dew collection in the Negev Desert Heusinkveld B.G., Jacobs A.F.G. and S. Berkowicz 257-260


Dew deposition in the Negev Desert: the biological crust Jacobs A.F.G., Heusinkveld B.G. and S. Berkowicz 261-264


The contribution of dew to the water balance of bare soil in a desert area Nin-Ari, N. Zangvil, A. and P.R. Berliner 265-268


Dew recovery: old dreams and actual results Beysens D.A., Milimouk I. and V. Nikolayev 269-272


3:30 pm to 4:00 pm Coffee Break



Tuesday, July 21 4:00 to 5:30 pm


Session 7A



Meteorological features of orographic clouds along the eastern escarpment of South Africa van Heerden J., Louw, C. and J. Olivier 273-276


Prediction of orographic clouds (high elevation fog) along the eastern escarpment of South Africa through discriminant analysis Louw C., van Heerden J. and J. Olivier 277-279


Evaluation of the hydrologic inputs in the Mediterranean Basin Millán M., Estrela M. and R. Vallejo 281-284


A conceptual model approach to fog forecasting Croft P.J. 285-288


Progress in the use of routine weather observations to calculate liquid water content in high-elevation fog Walmsley J.L., Burrows W.R. and R.S. Schemenauer 289-292

Session 7B




Dew in Carpathian Mountain Forest - Micrometeorology and Hydrochemistry Skvarenina J. and J. Mindas 293-296

Dew in urban environments Richards K. and T. Oke 297-299


Effect of acid deposition on urban dew chemistry In Yokohama, Japan Okochi H., Takeuchi M. and M. Igawa 301-304



Wednesday, July 22


9:00 am to 7:30 pm Excursion along the Coast and inland to Whistler Mountain



Thursday, July 23 8:30 to 10:00 am


7:00 am to 8:00 am Continental Breakfast


Session 8A




Air pollutants deposition via fog droplets in the forest of Tanzawa Mountains, Japan Igawa M., Tsutsumi Y. and H. Okochi 305-307


Yellowish fog precipitation in central India Patel K.S., Tripati A.N., Chandrawanshi C.K., Aggarwal S.G., Patel R.M., Deb M.K., Agnihotri P.K. and V.K. Patel 309-312


Cloud water in southern Chile: is it an important source of nutrients to forests? Weathers K.C., Lovett G.M., Likens, G.E. and N.F.M. Caraco 313-315


Physical and chemical aspects of within canopy clouds and their application to current physical/chemical models of cloud-canopy interactions DeFelice T.P. 317-320


Long-term measurements of cloud frequency and chemical composition in an upland forest in Scotland Crossley A., Harvey F.J., Cape J.N., Guillevic C., Binnie J., Wilson D.B. and D. Fowler 321-324


Session 8B



Fog microphysical characteristics in a rural site in Chiapas, Mexico

García-García F., Paredes G., Virafuentes U. and R. A. Montanez 325-328


Microphysical processes of fogs formed in the artificial cloud experimental system Harimaya T. and A. Sasaki 329-332


Laboratory modelling of the transformation of microphysical and electrical properties of artificial water fogs Amiranashvili A.G., Bliadze T.G., Chiabrishvili N.G., Gzirishvili T.G., Kirkitadze D.D., Nodia A.G., Odisharia M.A. and A.M. Okudjava 333-335


Near-surface fluxes of cloudwater evolve vertically Kowalski A.S. and R.J. Vong 337-340


10:00 am to 10:30 am Coffee Break



Thursday, July 23 10:30 am to 12:00 pm


Session 9A



Coast fog water potential and its applications Espejo-Guasp R. 341-343

A climatology of fog for Australia Bridgman H.A. 345-348


The Zhoushan sea fog: its structure and potentiality of application Xu S-Z and Z-Q. Yang 349-352

The climatology of Namib fog Seely M.K. and J.R. Henschel 353-356


Spatial-Temporary variations of the number of fog days per year in Georgia Amiranashvili A.G., Amiranashvili V.A. and K.A. Tavartkiladze 357-360


Fog occurrence and chemistry in mountainous regions of Slovakia Mindas J. and J. Skvarenina 361-364



Session 9B




Fog flow modelling in a mini wind tunnel Bresci E. and A. Giacomin 365-367


Study of a three-phase system hygrothermodynamics and reevaluate of the role on sublimation stage of crystal growth in supercooled fogs Bondarenko V.G. 369-372


Multiphase chemistry in a microphysical radiation fog model Bott A. 373-376


Fog flow mathematical modelling Bresci E. and R. Semenzato 377-379


12:00 pm to 1:30 pm Lunch



Thursday, July 23 1:30 to 3:30 pm


Session 10A



Numerical modelling of an artificial glaciation and the formation of improved visibility areas in fog. Recommendations for conducting fog dispersal at airports Bondarenko V.G. 381-384


The investigation of fog and aerosol parameters on the highway Venice-Trieste Khaikine M., Kadygrov E., Koldaev A. and E. Miller 385-388


Impact of industrial emissions on local fog formation: part 1 - video monitoring Campbell M.N., Branscome L.E. and D.A. Stewart 389-392


An analysis of local fog formation at an industrial wastewater treatment facility Hicks J., Sheppard A. and A. Binotto 393-395


Characterization of fog events under the influence of industrial water vapour emissions Stewart D.A., Branscome L.E. and N.M. Nolen (Campbell) 397-400


Session 10B



Fog drip collection in coastal central California Goodman J. 401-404

Fog collection as a water source for small rural communities in Chiapas, Mexico Mundo-Molina M., Martinez-Austria P., Figueroa-Gallegos A., Muciño-Porras J.J. and R. Ballinas-Avendaño 405-408


Fogwater collection at El Tofo, Chile and other coastal sites in South America and Arabia Cereceda P. and R.S. Schemenauer 409-411


Fog precipitation on the mountains in Croatia Mileta M. 413-416


Work done on fog and fog collection (moisture capture) in the Sultanate of Oman Alesh S.A. 417-420


3:30 to 4:00 pm Coffee Break



Thursday, July 23 4:00 to 5:00 pm


Session 11A


Observing fog from space: a European example Bendix J. 421-424


Evaluation of spatial patterns of fog days in Greece using GIS Sioutas M., Craig D. and R. Rudolph 425-428


Spatially dense analysis of fog in the Kanto Plain, Japan; a case study Yamamoto A. 429-432


Modelling the local climate in islands environments: orographic clouds cover

Brito de Azevedo E.B., Pereira L.S. and B. Itier 433-436


Session 11B




Mountain climatology and large scale cloud water recovery at Kahikinui, Maui, Hawaiian Islands Juvik J.O. 437-440

A high elevation fog water collection experiment in South Africa Olivier J. 441-443


Fogwater collection in Cape Verde Islands: an alternative source of water for agriculture and domestic use Sabino A.A. and J. Moreno 445-448

Evaluation of fog water collection in Anaga (Tenerife, Canary Islands) Marzol M.V. and P. Valladares 449-452



Friday, July 24 8:30 - 9:30 am



Co-sponsored by the Universidad Nacional de San Augustin de Arequipa


Session 12


The EU Research Programmes of Cooperation in Science and Technology with Developing Countries Semenzato R. 453-456


The project "Fog as a new water resource for the sustainable development of the ecosystems of the Peruvian and Chilean coastal desert? Semenzato R., Falciai M. and E. Bresci 457-460


9:30 am to 10:00 am Coffee Break


Friday, July 24 10:00 am- 12:00 pm


Session 13


Evaluation of the use of fog water for regeneration of arid ecosystems Cereceda P., Villegas L., Osses P. and R.S. Schemenauer 461-463


Fog collectors: capturing spatial variability Bresci E. 465-468


Socio-economic impacts of fogcatchers: a case-study in the Tambo Valley area (Peru) Pettenella D. and F. Bicciato 469-472


Fog interception and water budget of Caesalpinea spinosa trees in the Lomas ecosystems of Mejia (Arequipa, Perù) Calamini G., Giacomin A., Falciai M., Salbitano F. and F. Villasante 473-476


12:00 to 1:30 pm Lunch


Friday, July 24 1:30 - 3:30 pm

Session 14

Desert vegetation mapping and remote sensing case of the "Lomas" in Southern Peru Puig, H., Lacaze D. and M.F. Bellan 477-479


Southern Peru lomas flora Jiménez P., Villasante F., Talavera C., Villegas L., Huamán E. and A. Ortega 481-484


Growth pattern and survivorship in a tree plantation trial under fog dependent environmental conditions Calamini G., Falciai M., Giacomin A. and F. Salbitano 485-488


Crown architecture and fog-plant relationship in a tree plantation trial in south Peru Calamini G. and F. Salbitano 489-492

3:30 pm - 4:00 pm Coffee Break



Friday, July 24 4:00 - 5:30 pm


Session 15 Plenary Session: Where do we go from here?

(Chair: Dr. Robert S. Schemenauer,Emeritus Research Scientist, Atmospheric Environment Service, Environment Canada, Canada)

Presentation of Certificates of Recognition for Meritorious Work in Fog Studies


Conference Close