標題: Titlebook: Air Pollution; Dimensions, Trends a Walfried Michaelis Book 1997 Springer-Verlag Berlin Heidelberg 1997 Humus.Schadstoff.Schadstoffe.Wald.W [打印本頁] 作者: iniquity 時間: 2025-3-21 17:45
書目名稱Air Pollution影響因子(影響力)
書目名稱Air Pollution影響因子(影響力)學科排名
書目名稱Air Pollution網(wǎng)絡公開度
書目名稱Air Pollution網(wǎng)絡公開度學科排名
書目名稱Air Pollution被引頻次
書目名稱Air Pollution被引頻次學科排名
書目名稱Air Pollution年度引用
書目名稱Air Pollution年度引用學科排名
書目名稱Air Pollution讀者反饋
書目名稱Air Pollution讀者反饋學科排名
作者: intangibility 時間: 2025-3-21 22:00
,Schnittgeschwindigkeiten und Vorschübe,Germany with a certainly marked component due to the conurbation of Hamburg. The main emitters of SO. are the power and district heating stations. A similar transport situation is valid for NO... Here, the main source is the NO.-emitting motor traffic.作者: 打谷工具 時間: 2025-3-22 04:08
Erratum: Die Offenbacher Automaten,hese facts are illustrated in Fig. 9.1, where the differential trace element concentrations are plotted with decreasing particle diameter from left to right according to the six fractions of the impactor used (cf. Sect. 5.1.3). The diagram also demonstrates the excellent detection sensitivity of the作者: 我要沮喪 時間: 2025-3-22 07:04 作者: 美學 時間: 2025-3-22 11:50 作者: GRATE 時間: 2025-3-22 13:02
Introduction,welt, Raumordnung und Landwirtschaft des Landes NRW 1988 ff; Schulze et al. 1989). Slightly damaged trees may occur due to natural causes, for instance, due to climatic influences or epidemics, but more severe damage or even the death of trees was soon attributed to anthropogenic causes such as dire作者: Bombast 時間: 2025-3-22 18:03
Deposition of Anions and Cations Via Precipitation,Germany with a certainly marked component due to the conurbation of Hamburg. The main emitters of SO. are the power and district heating stations. A similar transport situation is valid for NO... Here, the main source is the NO.-emitting motor traffic.作者: MAG 時間: 2025-3-22 23:38 作者: 大酒杯 時間: 2025-3-23 03:54 作者: Platelet 時間: 2025-3-23 06:16
Concentrations and Deposition of Gaseous Pollutants: SO2, NO2, NO, NH3 and O3,° sector element, normalized to the frequency distribution of the wind direction (Michaelis et al. 1990, 1992). The diagram represents the conditions at the early stage of the project, i.e. in the period 1987/1988. Developments after the German reunification will be discussed in Section 12.2.作者: 殺菌劑 時間: 2025-3-23 10:36 作者: 外向者 時間: 2025-3-23 16:54
, emphasis was laid on this species. The programme started in 1986 and extended to 1992, with some activities con- tinuing beyond this time. Working groups from 13 institutions took part in the overall project.978-3-642-64414-6978-3-642-60456-0作者: 里程碑 時間: 2025-3-23 20:27 作者: Narcissist 時間: 2025-3-24 00:55 作者: Contort 時間: 2025-3-24 04:13 作者: extract 時間: 2025-3-24 09:50
Summary and Conclusions,e extensive data sets on air quality including trends and pollutant source-receptor relationships, to investigate the interaction of atmospheric constituents with the forest ecosystem compartments and thus to provide a reliable basis for the assessment of possible impacts on the state of health of the forest.作者: GOAT 時間: 2025-3-24 10:49 作者: 掃興 時間: 2025-3-24 16:59 作者: 截斷 時間: 2025-3-24 19:29 作者: fiscal 時間: 2025-3-25 00:25
https://doi.org/10.1007/978-3-7091-5028-3uent which is collected during the opening of the sampler. As a consequence, in particular during events with very low precipitation intensity, the results may include non-negligible contributions of the dry deposition. Therefore, the moisture sensor has to be very efficient.作者: PATHY 時間: 2025-3-25 04:16
https://doi.org/10.1007/978-3-7091-9968-8own in Section 13.2, the events are characterized by fluxes of opposite sign, i.e. the deposition of pollutants causes a release of CO. from the ecosystem. These findings may be interpreted as the outcome of stress conditions. Such phenomena have to date not been reported in the literature on forest decline field studies.作者: BILE 時間: 2025-3-25 09:59
General Outline of the Measuring Station, rather favourable, in contrast to the conditions at the postal tower where the stand was already markedly cleared and where representative deposition measurements would have been practically impossible. The treetop height at the measuring station was about 26 m.作者: Mutter 時間: 2025-3-25 12:29
Experimental Procedures,uent which is collected during the opening of the sampler. As a consequence, in particular during events with very low precipitation intensity, the results may include non-negligible contributions of the dry deposition. Therefore, the moisture sensor has to be very efficient.作者: laparoscopy 時間: 2025-3-25 19:47
Impact of Gaseous Pollutants on the Forest Ecosystem,own in Section 13.2, the events are characterized by fluxes of opposite sign, i.e. the deposition of pollutants causes a release of CO. from the ecosystem. These findings may be interpreted as the outcome of stress conditions. Such phenomena have to date not been reported in the literature on forest decline field studies.作者: 抑制 時間: 2025-3-25 22:58 作者: 容易懂得 時間: 2025-3-26 00:08
The Investigation Site,soil type which has developed is characterized by weakly to moderately podzolic braunerde. On this a 90- to 120-year-old mixed stand consisting predominantly of spruce (. [L.] Karst.) with some pine (. L.) and minor portions of beech (. L.) and oak (. L.) exists (Bauch and Michaelis 1988; Michaelis and Bauch 1992).作者: intangibility 時間: 2025-3-26 04:20 作者: Endemic 時間: 2025-3-26 09:10
https://doi.org/10.1007/978-3-642-60456-0Humus; Schadstoff; Schadstoffe; Wald; Waldsterben; air pollution; biomass; carbon dioxide; ecosystem; forest; 作者: 接觸 時間: 2025-3-26 12:53
978-3-642-64414-6Springer-Verlag Berlin Heidelberg 1997作者: 使閉塞 時間: 2025-3-26 19:45 作者: 現(xiàn)實 時間: 2025-3-26 21:55
https://doi.org/10.1007/978-3-642-94483-3the early 1980s forest stands with Norway spruce (. [L.] Karst.) showed the same symptoms on a large geographic scale. These findings gave rise to grave concern. Since the symptoms could not be explained on the basis of the knowledge at that time, both the Federal and the State governments initiated作者: largesse 時間: 2025-3-27 04:21 作者: finale 時間: 2025-3-27 08:43 作者: UNT 時間: 2025-3-27 09:37 作者: 雀斑 時間: 2025-3-27 14:38
Die Vierspindel-Automaten System Acme,ss are quite different and depend strongly on the attendant conditions, the constituent to be measured and the quality of the available technique. In any case, the quantification of dry deposition is much more difficult and subject to errors as compared to that of wet deposition.作者: 制造 時間: 2025-3-27 18:00
,Schnittgeschwindigkeiten und Vorschübe,1 μg/g for ammonium. While the sulphate values decreased to 2.6 μg/g in 1991, no significant trends were observed for the other ions. The pronounced dependence of the amount of precipitation on the wind direction (cf. Fig. 7.5) suggests that the wet deposition is predominantly influenced by sources 作者: Tincture 時間: 2025-3-28 01:09
Erratum: Die Offenbacher Automaten,size-fractions is an essential precondition for a correct determination of dry deposition. The relative contributions of the individual size fractions to the total flux vary from element to element, since the concentration distributions can be quite different. Here, the origin plays an important par作者: 代替 時間: 2025-3-28 02:06 作者: 整潔漂亮 時間: 2025-3-28 07:16
https://doi.org/10.1007/978-3-7091-5014-6 the case of spruce, needle chlorosis and needle loss, which are used as essential criteria, are often not in accordance with the results of special investigations. In particular, growth (Athari and Kramer 1983; Bauch et al. 1986) and nutrition-physiological parameters (Fedderau-Himme et al. 1984; H作者: FEAS 時間: 2025-3-28 12:02
Das Einrichten von Halbautomatenc gas concentrations are subject to the influence of the current weather conditions. Such phenomena which have already been described for the particulate concentrations and the dry deposition of trace elements (Chap. 9) find an analogue above all in the case of the sulphur dioxide immission, which a作者: 跑過 時間: 2025-3-28 16:01 作者: HOWL 時間: 2025-3-28 20:38
,Das Ende der ?Versorgungs?-Wirtschaft,any during the period 1986 to 1992. The study was performed within the framework of the so-called Postturm project. Central objectives were to generate extensive data sets on air quality including trends and pollutant source-receptor relationships, to investigate the interaction of atmospheric const作者: investigate 時間: 2025-3-29 01:11
http://image.papertrans.cn/a/image/151777.jpg作者: 偽書 時間: 2025-3-29 06:50 作者: 混亂生活 時間: 2025-3-29 10:23 作者: SEED 時間: 2025-3-29 11:23
The Investigation Site,ain wind direction from this conurbation. The landscape is characterized by an end moraine topography from the Weichsel (Würm) glacial period. The area shows a slight elevation with at most 20 m differences in altitudes, ranging between 60 and 80 m above sea level. The forest stand extends over an a作者: keloid 時間: 2025-3-29 16:54
General Outline of the Measuring Station,hich is necessary to take samples of the various pollutants and to derive the appropriate meteorological auxiliary quantities (Michaelis et al. 1988, 1989a, b, 1990, 1992b,c; Michaelis and Theopold 1993). The tower was a 48m-high triangular lattice mast with favourable aerodynamic properties. It sto作者: Offstage 時間: 2025-3-29 22:55
Experimental Procedures,rainout. From a scientific point of view, in particular with regard to the objective of measuring fluxes into and within the ecosystem, including their balances, each component has to be quantified, i.e. it is indispensable to separate as far as possible wet and dry deposition. One of the devices re作者: 賭博 時間: 2025-3-30 02:48
Methodology for the Determination of Atmospheric Deposition and of Fluxes within the Ecosystem Compss are quite different and depend strongly on the attendant conditions, the constituent to be measured and the quality of the available technique. In any case, the quantification of dry deposition is much more difficult and subject to errors as compared to that of wet deposition.作者: 范例 時間: 2025-3-30 04:32 作者: abnegate 時間: 2025-3-30 11:54 作者: 爆米花 時間: 2025-3-30 12:41
Total Deposition of Trace Elements,rds of the total deposition (Michaelis et al. 1989, 1990), the total flux into forests is predominantly determined by the dry deposition. As a consequence, in this case, rainfall studies alone do not yield representative insight into the atmospheric impact. Figure 10.1 illustrates the relative porti作者: 過度 時間: 2025-3-30 19:48 作者: 人類學家 時間: 2025-3-30 23:37
Concentrations and Deposition of Gaseous Pollutants: SO2, NO2, NO, NH3 and O3,c gas concentrations are subject to the influence of the current weather conditions. Such phenomena which have already been described for the particulate concentrations and the dry deposition of trace elements (Chap. 9) find an analogue above all in the case of the sulphur dioxide immission, which a作者: 發(fā)酵 時間: 2025-3-31 03:41 作者: obsession 時間: 2025-3-31 08:11 作者: reflection 時間: 2025-3-31 12:15
