Fluxes of Al, Fe, Ti, Mn, Pb, Cd, Zn, Ni, Cu, and As in monthly bulk deposition over the Pyrenees (SW Europe): The influence of meteorology on the atmospheric component of trace element cycles and its implications for high mountain lakes

Bacardit, Montserrat; Camarero, Lluís

doi:10.1029/2008jg000732

Cited by 53 publications

(37 citation statements)

References 66 publications

(75 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A 72-h back trajectory was computed for each event using the HYsPLIT model 28,29 . The trajectories were then grouped on the basis of their origin, and the percentage of the volume corresponding to events assigned to groups with a southern origin was calculated for each sample 12 . Data in (b) are 4-week samples grouped in autumn-winter (AuT-WIn; october-march) and spring-summer (sPR-sum; April-september) samples.…”

Section: Discussionmentioning

confidence: 99%

“…Dust transported from North Africa and also from the Iberian Peninsula appears to be the main source of atmospheric P deposited on Pyrenean watersheds. Previous studies have shown that there is a preferential flux of terrigenous elements accompanying precipitation of a southern origin [10][11][12] . A detailed study of the back trajectories of the air masses causing precipitation was conducted for 2004-2006 (ref.…”

Section: An Unexpected Decreasing Din Trend In Pyrenean Lakesmentioning

confidence: 99%

See 1 more Smart Citation

Atmospheric phosphorus deposition may cause lakes to revert from phosphorus limitation back to nitrogen limitation

2012

View full text Add to dashboard Cite

Recent findings indicate that increased atmospheric deposition of nitrogen of human origin has caused changes in the pattern of ecological nutrient limitation in lakes in the northern hemisphere. An increase in the nitrogen to phosphorus ratio, and hence a shift from pristine nitrogen limitation to human-induced phosphorus limitation of phytoplankton growth, seems to have been driven by deposition of atmospheric nitrogen. These findings challenge the classical paradigm of lake phytoplankton productivity being naturally limited by phosphorus availability. However, atmospheric phosphorus deposition may also be highly relevant. Here we show how dissolved inorganic nitrogen concentration has decreased in the Pyrenean lake district over recent decades, despite there being an increase in deposition of atmospheric nitrogen. This is related to an increased atmospheric phosphorus load in the lake water, as a result of higher atmospheric inputs. These changes are causing phytoplankton to revert from being phosphorus-limited to being nitrogen-limited.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: An Unexpected Decreasing Din Trend In Pyrenean Lakesmentioning

confidence: 99%

Atmospheric phosphorus deposition may cause lakes to revert from phosphorus limitation back to nitrogen limitation

2012

View full text Add to dashboard Cite

show abstract

“…The deposition of trace elements varies with time: it fluctuates seasonally, interannually and, in some cases, they show statistically significant decadal trends. Both interannual and seasonal variations are related with the origin of the air masses causing precipitation: air masses coming from the Iberian Peninsula and Northern Africa carry dust, and associated to it there is polluting lead, nickel and cadmium which are transported mainly bound to particles (Bacardit and Camarero 2009). Southern precipitation is more frequent during spring and summer, whereas during winter precipitation comes more often from north.…”

Section: Trace Elements Pollutionmentioning

confidence: 99%

Atmospheric Chemical Loadings in the High Mountain: Current Forcing and Legacy Pollution

Camarero

2017

High Mountain Conservation in a Changing World

Self Cite

View full text Add to dashboard Cite

Human emissions have changed the chemistry of atmosphere. Potentially toxic chemicals have been spread, and the global cycles of some key elements have been disrupted. Because enhanced atmospheric precipitation and cold trapping caused by elevation, high mountain ecosystems are considered as regional convergence areas of atmospheric pollutants. In this chapter, research on surface waters acidification, pollution by trace elements, and atmospheric nutrient inputs in the Pyrenees is reviewed. Pyrenean lakes have experienced only a moderate acidification, due partly to an also moderate acid load and partly to the neutralising cations carried by dust. Presently, declining concentrations of sulphate in lakes indicate that recovery is proceeding. Pollution by trace elements dates more than two millennia back. The primary accumulation sites are the sediments of lakes. Soils also hold an important burden, and there is evidence that some elements are being currently remobilised. This is causing a delayed pollution, despite deposition of several trace metals is declining. The emissions of artificial reactive nitrogen have caused increased deposition on the Pyrenean catchments, which are thus nitrogen saturated. A parallel increase of phosphorus deposition has occurred, likely caused by climatic reasons. The combined effect of both seems to be an enhanced uptake of nitrogen by phytoplankton causing a lower nitrogen concentration in lakes and a possible shift from phosphorus-to-nitrogen limitation of phytoplankton growth, as well as an incipient eutrophication. All these are examples of impacts in remote natural areas that require a global strategy of conservation beyond the boundaries of the ecosystems affected.

show abstract

“…In the past decades, anthropogenic activities have significantly altered airborne heavy metals through global population growth and industrialization (Bacardit and Camarero, 2009;Lei et al, 2011). Atmospheric heavy metals mainly originate from artificial sources, e.g., smelting, fossil fuel combustion, and waste incineration, with a relatively minor contribution from natural sources, e.g., soil dust and volcanic activity (Bacardit and Camarero, 2009;Cheng and Hu, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Some heavy metals, such as lead (Pb), cadmium (Cd), chromium (Cr), mercury (Hg), and arsenic (As) are poisonous for plants, animals, and humans, by altering their metabolism, inhibiting growth, and decreasing the production (Das et al, 1997;Nagajyoti et al, 2010;Singh et al, 2013). Despite current international efforts to effectively decrease the increasing ratios of atmospheric pollution, most natural terrestrial ecosystems are still considered at risk because of the long-term high-intensity atmospheric heavy metal deposition and pollution (Shanker et al, 2005;Bacardit and Camarero, 2009;Luo et al, 2013;Bian et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Heavy metal deposition through rainfall in Chinese natural terrestrial ecosystems: Evidences from national-scale network monitoring

Zhu

Wang

et al. 2016

Chemosphere

View full text Add to dashboard Cite

h i g h l i g h t sInvestigating heavy metal deposition through rainfall in Chinese natural ecosystem. Precipitation, vehicles number, energy consumption affect heavy metal deposition. Wet heavy metals deposition was positive correlated with soil metals contents. Increasing heavy metals deposition have adverse effects on natural ecosystem. a r t i c l e i n f o a b s t r a c tIndustrialization and urbanization have led to increasingly serious levels of atmospheric heavy metal pollution, which is one of the main sources of heavy metals to terrestrial ecosystems. Therefore, it is essential to quantify atmospheric fluxes and explore their potential effects on natural ecosystems and human welfare. We monitored water-soluble heavy metals (lead (Pb), cadmium (Cd), and chromium (Cr)) in rainfalls on a monthly basis in 2013 and 2014, at 31 field stations located in typical natural Chinese ecosystems. The average soluble Pb, Cd, and Cr deposition was 1.90 ± 1.54, 0.28 ± 0.25, and 0.96 ± 0.48 mg m À2 yr À1, respectively, with a large variation among the different sites. Generally, the atmospheric deposition of soluble Pb, Cd, and Cr was higher in the southwest, central, south, and north China than in the northwest and northeast China, Inner Mongolia, and Qinghai-Tibet. As expected, the atmospheric heavy soluble metal deposition fluxes were significantly correlated with the number of vehicles (Ps < 0.1). The wet deposition of soluble Pb and Cr was positively correlated with oil and coal consumption, unlike Cd deposition. Moreover, soluble Pb and Cd in atmospheric wet deposition were positively correlated with the contents of Pb and Cd in soil at different regions. In this study, atmospheric heavy metal deposition through rainfall in typical natural ecosystems in China is assessed at the national scale, alerting potential ecological hazards resulting from an increasing atmospheric heavy metal deposition and providing a basis for future studies.

show abstract

Fluxes of Al, Fe, Ti, Mn, Pb, Cd, Zn, Ni, Cu, and As in monthly bulk deposition over the Pyrenees (SW Europe): The influence of meteorology on the atmospheric component of trace element cycles and its implications for high mountain lakes

Cited by 53 publications

References 66 publications

Atmospheric phosphorus deposition may cause lakes to revert from phosphorus limitation back to nitrogen limitation

Atmospheric phosphorus deposition may cause lakes to revert from phosphorus limitation back to nitrogen limitation

Atmospheric Chemical Loadings in the High Mountain: Current Forcing and Legacy Pollution

Heavy metal deposition through rainfall in Chinese natural terrestrial ecosystems: Evidences from national-scale network monitoring

Contact Info

Product

Resources

About