Measurement of the deposition and fate of {sup 35}SO{sub 2} in a pine plantation
An experiment was carried out to determine the uptake rate and fate of SO{sub 2} absorbed by the forest canopy. The radioactive tracer, {sup 35}S was used. Branches of loblolly pine were exposed to {sup 35}SO{sub 2} in the field with a portable chamber. The exposed branches were excised and a sample of needles was immediately washed with distilled water. The needles and water collected in the field was analyzed for {sup 35}S content. The results indicated that a portion of the {sup 35}S could be washed from the needles and another portion was not removed with a water rinse. The portion that could not be removed by rinsing was absorbed at a rate, and followed patterns of absorption, that suggested that absorption was controlled by stomatal diffusion, and thus was internal. The {sup 35}S that could be removed by rinsing appeared to be surface absorption.
- Research Organization:
- E.I. DuPont de Nemours and Co., Savannah River Lab., Aiken, SC (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC09-89SR18035; AC09-76SR00001
- OSTI ID:
- 666264
- Report Number(s):
- DP-MS-88-61; ON: DE98007470; TRN: AHC29819%%424
- Resource Relation:
- Other Information: PBD: [1988]
- Country of Publication:
- United States
- Language:
- English
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