Input of atmospheric particles into forest stands by dry deposition

被引:11
作者
Marques, MC [1 ]
Gravenhorst, G
Ibrom, A
机构
[1] Univ Tras Os Montes & Alto, Dept Biol & Environm Engn, Douro, Portugal
[2] Univ Gottingen, Fac Forestry & Forest Ecol, D-3400 Gottingen, Germany
关键词
aerosol; air concentration; critical load; deposition velocity; dry deposition; forest ecosystem; leaching; particle deposition;
D O I
10.1023/A:1013899032454
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study the dry input of atmospheric particles into a forest stand is quantified. A wash-off-method using the natural leaf surfaces as collectors of the dry deposition was chosen. The direct on-site-measurement on living branches were achieved in a spruce stand (Picea abies (L.) Karst) at Solling, Germany. The ion exchange processes occurring on natural branches can reliably be quantified through immediate sequential washings. In order to calculate also the gas dry deposition of those trace elements which occur in both particle and gas phases, a resistance model was used. From these results the deposition velocity of particulate aerosol components into the forest stand was calculated. Dry particle deposition constitutes an important part of the total matter input into the forest ecosystem. Just the nitrogen input into Solling only by dry deposition (from particle-, mist-, and gas-deposition) with about 30 kg N ha(-1) a(-1) already exceeds the critical load of 20 kg N ha(-1) a(-1) by far, and this is without even considering the additional load by wet deposition which amounts to 15 kg ha(-1) a(-1). These findings are of greatest ecological importance, as the damage to the stability of the forest ecosystem caused by increased nitrogen input is considerable. Only a quick and drastic reduction of sulphur and nitrogen emissions could stop the further increase of the nutritient imbalance and the progressing acidification of this ecosystem.
引用
收藏
页码:571 / 576
页数:6
相关论文
共 18 条
[1]   THE SOLLING NORWAY SPRUCE SITE [J].
BREDEMEIER, M ;
TIKTAK, A ;
VANHEERDEN, K .
ECOLOGICAL MODELLING, 1995, 83 (1-2) :7-15
[2]   Hierarchical control on nitrous oxide emission in forest ecosystems [J].
Brumme, R ;
Borken, W ;
Finke, S .
GLOBAL BIOGEOCHEMICAL CYCLES, 1999, 13 (04) :1137-1148
[3]  
CONSTANTIN J, 1993, BERICHTE FORSCHUNG A, V106
[4]  
DASCH JM, 1986, WATER AIR SOIL POLL, V30, P205
[5]   MEASUREMENT OF DRY DEPOSITION TO SURFACES IN DECIDUOUS AND PINE CANOPIES [J].
DASCH, JM .
ENVIRONMENTAL POLLUTION, 1987, 44 (04) :261-277
[6]   MODELING CRITICAL LOADS FOR THE SOLLING SPRUCE SITE [J].
DEVRIES, W ;
POSCH, M ;
OJA, T ;
VANOENE, H ;
KROS, H ;
WARFVINGE, P ;
ARP, PA .
ECOLOGICAL MODELLING, 1995, 83 (1-2) :283-293
[7]  
EK R, 1994, WATER AIR SOIL POLL, V73, P61
[8]   Particle deposition to forests - Summary of results and application [J].
Erisman, JW ;
Draaijers, G ;
Duyzer, J ;
Hofschreuder, P ;
VanLeeuwen, N ;
Romer, F ;
Ruijgrok, W ;
Wyers, P ;
Gallagher, M .
ATMOSPHERIC ENVIRONMENT, 1997, 31 (03) :321-332
[9]   STUDIES ON LEACHING FROM SPRUCE TWIGS AND BEECH LEAVES [J].
FRITSCHE, U .
ENVIRONMENTAL POLLUTION, 1992, 75 (02) :251-257
[10]   Deposition of aerosol on Speulder forest: Accumulation experiments [J].
Hofschreuder, P ;
Romer, FG ;
VanLeeuwen, NFM ;
Arends, BG .
ATMOSPHERIC ENVIRONMENT, 1997, 31 (03) :351-357