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Titolo:
RESPONSE OF A GRASSLAND ECOSYSTEM TO AIR-POLLUTANTS .2. THE CHEMICAL CLIMATE - FLUXES OF SEDIMENTING AIRBORNE MATTER
Autore:
DAMMGEN U; GRUNHAGE L; KUSTERS A; JAGER HJ;
Indirizzi:
JUSTUS LIEBIG UNIV,INST PFLANZENOKOL,HEINRICH BUFF RING 38 D-35392 GIESSEN GERMANY UNIV GIESSEN,INST PLANT ECOL W-6300 GIESSEN GERMANY TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG,INST GEOG & GEOECOL W-3300 BRAUNSCHWEIG GERMANY FED AGR RES CTR BRAUNSCHWEIG VOLKENROPE,AGR INST CLIMATE RES MUNCHEBERG GERMANY
Titolo Testata:
Environmental pollution
fascicolo: 1, volume: 85, anno: 1994,
pagine: 35 - 42
SICI:
0269-7491(1994)85:1<35:ROAGET>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRECIPITATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
U. Dammgen et al., "RESPONSE OF A GRASSLAND ECOSYSTEM TO AIR-POLLUTANTS .2. THE CHEMICAL CLIMATE - FLUXES OF SEDIMENTING AIRBORNE MATTER", Environmental pollution, 85(1), 1994, pp. 35-42

Abstract

Measurement of the deposition of sedimenting particles requires a sampling device, which avoids simultaneous deposition of gases and aerosols to the collection surface. A sampler constructed for the purpose ofcollecting rain and sedimenting particles is described and characterized in detail, in particular with regard to its collection efficiency for rain. Its collection properties for gases and aerosols are shown to be negligible. From two years of sampling al different heights it was found that resuspension of particles and co-condensation of gases near the plant canopy may lead to a major overestimation of bulk deposition. As a consequence, the extention towards the canopy of the constant flux layer for sedimenting particles has to be determined experimentally. Bulk deposition of sodium, potassium, magnesium, calcium, lead, copper, cadmium, manganese, iron, ammonium, nitrate, phosphate, sulfate, total sulfur and chloride at Braunschweig-Volkenrode, Southeast Lower Saxony, Germany, were recorded for six years. During this period a considerable decrease was observed in the deposition of lead, cadmium,nitrate, sulfate and total sulfur.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/07/20 alle ore 07:57:55