Separation of Gaseous and Particupate Dry Deposition of Sulfur at a Forest Edge in Denmark
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Separation of Gaseous and Particupate Dry Deposition of Sulfur at a Forest Edge in Denmark. / Beier, Claus.
In: Journal of Environmental Quality, Vol. 20, No. 2, 1991, p. 460-466.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Separation of Gaseous and Particupate Dry Deposition of Sulfur at a Forest Edge in Denmark
AU - Beier, Claus
PY - 1991
Y1 - 1991
N2 - Throughfall deposition of SO2−4 and Na+ to a spruce [Picea abies (L.) Karst.] forest edge in Denmark was measured during 1 yr. The deposition of both SO2−4 and Na* was highly elevated at the forest edge with Na+ showing the steepest gradient. Using Na+ as a model-substance for the deposition of particles and assuming that 6 to 24% of the SO2−4-deposition in throughfall inside the stand originated from particles, the relative contribution of particulate and gaseous S to the throughfall deposition at the forest edge could be estimated. The deposition of particulate S showed a strong dependence on the distance to the forest edge. Thus, particulate S contributed 25 to 100% of the net throughfall deposition under the front tree, whereas particulate S only contributed 6 to 24% inside the stand. The gaseous deposition showed a more moderate dependence on the forest edge and did not exceed the change in leaf area index.
AB - Throughfall deposition of SO2−4 and Na+ to a spruce [Picea abies (L.) Karst.] forest edge in Denmark was measured during 1 yr. The deposition of both SO2−4 and Na* was highly elevated at the forest edge with Na+ showing the steepest gradient. Using Na+ as a model-substance for the deposition of particles and assuming that 6 to 24% of the SO2−4-deposition in throughfall inside the stand originated from particles, the relative contribution of particulate and gaseous S to the throughfall deposition at the forest edge could be estimated. The deposition of particulate S showed a strong dependence on the distance to the forest edge. Thus, particulate S contributed 25 to 100% of the net throughfall deposition under the front tree, whereas particulate S only contributed 6 to 24% inside the stand. The gaseous deposition showed a more moderate dependence on the forest edge and did not exceed the change in leaf area index.
U2 - 10.2134/jeq1991.00472425002000020020x
DO - 10.2134/jeq1991.00472425002000020020x
M3 - Journal article
VL - 20
SP - 460
EP - 466
JO - Journal of Environmental Quality
JF - Journal of Environmental Quality
SN - 0047-2425
IS - 2
ER -
ID: 347878050