1 edition of Initial results from the Pawnee Eddy Correlation System for dry acid deposition research found in the catalog.
Initial results from the Pawnee Eddy Correlation System for dry acid deposition research
1989 by U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station in Fort Collins, Colo .
Written in English
|Statement||Karl Zeller ... [et al.].|
|Series||Research paper RM -- 282.|
|Contributions||Zeller, Karl Frederick, 1943-, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)|
|The Physical Object|
|Pagination||30 p. :|
|Number of Pages||30|
Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth. It is speculated that the resulting cooling would lead to widespread crop. R h results from the decomposition of dead organic material in soils, the litter layer above mineral soils and wetland areas. By this definition, when NEP > 0, the land surface is a sink, i.e., it absorbs more carbon than is micrometeorological measurements of carbon fluxes, the term net ecosystem exchange (NEE) is often used (Black et al., ).Cited by: Peter Strom was awarded the New Jersey Water Environment Association (NJWEA) Wastewater Hall of Fame Award at the NJWEA Conference earlier this month. The award recognizes people from NJWEA who have demonstrated dedication and competitive achievement in the wastewater field. Those that enter the NJWEA Hall of Fame are remarkable, dedicated members that have made an extraordinary . Numerical and empirical studies of soil slurry transport and deposition in urban stormwater sewers are few, presumably due to the difficulty of direct observation of soil slurry flow in stormwater pipes. Slurry in a sewer system includes both suspended load and bedload, but few studies have attempted to demarcate these two components. A boundary layer is a crucial determinant of sediment.
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Additional Physical Format: Online version: Initial results from the Pawnee Eddy Correlation System for dry acid deposition research. Fort Collins, Colo.: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Initial results from the Pawnee Eddy Correlation System for dry acid deposition research.
(AGR:IND) Abstract Citations; Related Articles; Data Research Paper RM - U.S. Department of Agriculture, Forest Serivce, Rocky Mountain Forest and Range Experiment Station.
Initial results from the Pawnee Eddy Correlation System for dry acid deposition research Author: Karl Frederick Zeller ; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.). Topics: Pawnee Grassland Eddy Correlation Dry Deposition Project., Acid deposition--Research., Air--Pollution--Measurement., Acid precipitation (Meteorology).
RM-RP Initial results from the Pawnee Eddy correlation system for dry acid deposition research RM-RP Native woodland habitat types of Southwestern North Dakota RM-RP Summer birds and mammals of aspen-conifer forests in West-central Colorado.
Initial results from the Pawnee eddy correlation system for dry acid deposition research. USDA Forest Service General Research Paper RM, 44 Cited by: 3. Initial results from the Pawnee Eddy Correlation system for dry acid-deposition research. Forest Service research paper Karl Frederick Zeller, William J.
Massman, David W. Stocker, Douglas G. Fox, Donald H. Stedman. Padro and Edwards () and Padro () reported only NO, deposition fluxes to a snow pack by the eddy correlation technique, with a dry depos ition velocity in the range cm sCited by: Instrumentation, methods of analysis, and initial data and research findings are presented.
Data from this eddy correlation system show agreement with previous observations of deposition velocities for atmospheric ozone, NOâ, and NOâ; micrometeorological theory; and micromet. Douglas G. Fox. Colorado State Initial results from the Pawnee Eddy Correlation system for dry acid-deposition research.
Forest Service research paper. Article. Search the leading research in optics and photonics applied research from SPIE journals, conference proceedings and presentations, and eBooks.
Modelling Flux-Gradient Relationships for Chemically Reactive Species in the Atmospheric Surface Layer. Authors; Stedman D., Hazlett D.,Initial results from the Pawnee eddy correlation system for dry deposition research. Research paper RM, Rocky Mountain Forest and Range Experimental Station, Ft.
Collins, CO, USA. Cited by: 1. Zeller K., Massman W., Stocker D., Fox D. G., Stedman D. and Hazlett D. () Initial results from the Pawnee eddy correlation system for dry acid deposition research. Research paper RM, U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest Cited by: Zeller, K., and Coauthors, Initial results from the Pawnee eddy correlation system for dry acid deposition research.
Research Paper RM, USDA Forest Service RMFRES, Ft. Collins, CO, 44 pp. Google ScholarCited by: The fluxes of nitrogen oxides and ozone have been measured over the prairie grassland of Northern Colorado by eddy correlation.
The deposition velocity of ozone varied diurnally. The ozone maximum deposition velocity occurred at around midday, V d = cm s-1, and was zero overnight. The net flux of nitrogen oxides was upward, with a diurnal Author: D. Stocker, K. Zeller, W. Massman, D. Hazlett, D. Fox, D. Lukens, D.
Stedman. The cross‐correlation functions for the eddy covariance system at 1 m height can be seen in Figure 2. Compared to the w‐T‐correlation, a peak broadening and amplitude reduction obviously occurs in the w‐c NO ‐correlation function due to damping effects on high frequency fluctuations (see section ).Cited by: We recognize that eddy correlation measures of CO 2 flux density have become a standard protocol for estimating CO 2 exchange at the ecosystem level [Grace, ; Aber et al., ; Vourlitis and Oechel, ].
The eddy covariance technique applied here is based on the assumption that the flux of a given scalar parameter can be measured as an Cited by: 9.
Sulfur dioxide and nitrogen oxides in the air are oxidised to sulfuric acid and nitric acid = these dissolved in cloud droplets and reach the ground as wet deposition.
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If the price decreases, we will simply charge the lower price. The AIRMoN-dry program relies on a two-tiered approach that infers dry deposition from air quality, meteorology, and surface observations and directly applies eddy flux and/or gradient techniques.
These methods yield average dry deposition rates to areas, typically many hundred meters in radius, surrounding observation points. Eddy correlation measurements of water vapor flux density have been made by using a barium fluoride film humidity sensor and a three‐dimensional anemometer.
During morning and evening periods, good agreement was obtained between eddy correlation data and two independent methods. Serious disagreement between measurements occurred only when the humidity sensor was operating within a.
National Research Council. Acid Deposition: The National Academies Press. doi: / please consider the following text as a useful but insufficient proxy for the authoritative book pages. ACID DEPOSITION Long-Term Trends Committee on Monitoring and Assessment of Trencis in Acid Deposition Environmental Studies Board.
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Eddy covariance is a micrometeorological technique that measures the total exchange CO 2 and H 2 O at the ecosystem scale. There were early eddy covariance systems for measuring fluxes of water vapour, but in the s reliable fast‐responding CO 2 analysers became widely available and in several centres the technique was developed to measure Cited by: Project Methods Because semi-arid rangeland ecosystems often exhibit nonlinear dynamics, we will use the state-and-transition model theory as a conceptual underpinning to study plant community attributes and key ecological processes involving C, N and water.
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Acid deposition: The acids deposited by transfer from the atmosphere either by precipitation (rain, fog, snow, etc.), called wet deposition, or by direct transfer to the surface of the earth induced by the flow of acid-containing air masses over the earth's surface, called dry deposition.
Acid rain: Rain with pH values. acid precipitation. Synergistic effects have been demonstrated (23, 24). Wet deposition of SO2 and NO, (or their transformation products) are referred to as acid precipitation (or acid rain). The pH of natural rainwater is controlled by the dis-sociation of dissolved CO2 and at.
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