Assessment and Intercomparison of Ozone Dry Deposition Schemes Over Two Ecosystems Based on Noah-Mp in China

2022 ◽  
Author(s):  
Jiachen Cao ◽  
Ming Chang ◽  
Yuepeng Pan ◽  
Tao Song ◽  
Zan Liu ◽  
...  
Keyword(s):  
Author(s):  
James S. Webber

INTRODUCTION“Acid rain” and “acid deposition” are terms no longer confined to the lexicon of atmospheric scientists and 1imnologists. Public awareness of and concern over this phenomenon, particularly as it affects acid-sensitive regions of North America, have increased dramatically in the last five years. Temperate ecosystems are suffering from decreased pH caused by acid deposition. Human health may be directly affected by respirable sulfates and by the increased solubility of toxic trace metals in acidified waters. Even man's monuments are deteriorating as airborne acids etch metal and stone features.Sulfates account for about two thirds of airborne acids with wet and dry deposition contributing equally to acids reaching surface waters or ground. The industrial Midwest is widely assumed to be the source of most sulfates reaching the acid-sensitive Northeast since S02 emitted as a byproduct of coal combustion in the Midwest dwarfs S02 emitted from all sources in the Northeast.


1981 ◽  
Vol 86 (C6) ◽  
pp. 5347 ◽  
Author(s):  
Irving J. Russell ◽  
Carl E. Choquette ◽  
Shih-Lieh Fang ◽  
William P. Dundulis ◽  
Andrew A. Pao ◽  
...  

Materials ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 724
Author(s):  
Tong Li ◽  
Masaya Ichimura

Magnesium hydroxide (Mg(OH)2) thin films were deposited by the drop-dry deposition (DDD) method using an aqueous solution containing Mg(NO3)2 and NaOH. DDD was performed by dropping the solution on a substrate, heating-drying, and rinsing in water. Effects of different deposition conditions on the surface morphology and optical properties of Mg(OH)2 thin films were researched. Films with a thickness of 1−2 μm were successfully deposited, and the Raman peaks of Mg(OH)2 were observed for them. Their transmittance in the visible range was 95% or more, and the bandgap was about 5.8 eV. It was found that the thin films have resistivity of the order of 105 Ωcm. Thus, the transparent and semiconducting Mg(OH)2 thin films were successfully prepared by DDD.


Author(s):  
Da Pan ◽  
Katherine B. Benedict ◽  
Levi M. Golston ◽  
Rui Wang ◽  
Jeffrey L. Collett ◽  
...  

1996 ◽  
Vol 87 (1-4) ◽  
pp. 205-218 ◽  
Author(s):  
J. R. Brook ◽  
A. Sirois ◽  
J. F. Clarke

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