Environ monit assess journal impact factor
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Systems dynamics is an adequate focus to analyze the mobilization of Hg due to wildfires, which meets all the requirements to be studied by multimedia modelling. The aim of this work is to contribute to the knowledge of how wildfires modify mercury compounds behaviour and the effects it has in the Hg cycle, based on a systematic bibliographic review and analysis.
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Biomass burning accounts for about 13% of the total contribution of Hg from natural sources. Mercury (Hg) mobilization and accumulation in the environment is directly related to forest fires.
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Our findings reveal a lower fertility and higher acidity in forest areas, whereas crop areas presented the opposite result. Yet, a spatial dependence ranging from moderate to strong was found, generating reliability in the prediction of most attributes in pasture, rice, and soybean areas. Through geostatistical analysis, spatial dependence ranging from moderate to strong was observed, generating reliability in the prediction of most attributes in pasture, rice, and soybean areas. PCA revealed that the data variability can be explained mainly by pH, V, Ca, K, and Zn values, which are inversely proportional to m, P, and sand. Except for silt, all variables were well represented in the factor map. Data were submitted to geostatistical analysis to verify the spatial dependence degree of the variables through semivariograms for interpolated kriging maps. Outlier analysis using boxplot graphics, principal component analysis (PCA), and cluster analysis was performed. To verify the data normality, the Shapiro–Wilk test at 5% significance was performed. Descriptive statistical analysis was performed for the pH, H + Al, Al, Ca, Mg, P, K, Cu, Fe, Mn, Zn, V, m, organic matter, clay, silt, and sand values from soil samples under different LULC. In this study, the effect of different LULC in the southern Brazilian Amazon, namely, native forest, pasture, and rice and soybean crops, on the spatial variability of soil fertility and texture was assessed, seeking to obtain information that will guide farmers in the near future to better exploit their areas and contribute to a more sustainable agriculture. We hypothesize that different LULC affects Amazonian soil attributes. Seeking sustainable food production, the agricultural use of soil must be assessed in view of optimal use or land as natural resource, as well as minimize the effects of global warming related to land use and land cover (LULC). The growth of the world population has led to the expansion of agricultural areas to produce food that meets world demand, making it necessary to increase productivity and maintain environmental sustainability in these areas. In case of GW, some samples also show the high TDS but the presence of metals like Cr, Ni, and Zn is less than permissible limit. Similarly in SW, the presence of heavy metals Hg (0.39 ppb), Pb (1.12 ppb), and Cr (16.86 ppb) were also detected. Heavy metals such as Hg, As, Pb, and Cr were detected in both fresh and old samples. As time passed, the values of the parameters (COD, ammonia nitrogen) stabilised. When leachates were obtained ‘fresh,’ all parameters evaluated showed significantly higher values. The parameters like pH, COD, TDS, sulphates, nitrates, ammonia nitrogen, hardness, and heavy metals were all monitored to see whether there any temporal variations. In addition to that, the article also provides the data of different physicochemical parameters of SW and ground water (GW) quality collected from of Pirana solid waste dumping area (Pirana SWD), Ahmedabad, India, and surrounding areas throughout various seasons. This research article discusses leachate quality indicators and the temporal variations of leachate quality collected throughout various seasons and after 1–2 years of storage. However, due to a range of contributing factors, such as waste type and dumping site locations, forecasting leachate quality is often challenging. Characterisation of solid waste (SW), leachate, is essential for developing an appropriate management strategy or treatment method.