Two methods have been developed for identifying locations in watersheds where vegetative buffers would yield greater benefit for reducing agricultural nonpoint source pollution. The methods were compared and contrasted to evaluate the degree to which they identified the same or different locations within a watershed. The two methods included the terrain analysis-based topographic index, TI, (Qi...

According to the 2nd grade (pH<6.5) of GB1516-1995, Inverse Distance Weighted interpolation method of GIS, single and Nemeorow's synthetic pollution indexes were used to assess and map heavy metals pollution in tea plantation soil of the primary tea producing area in 12 counties of Zhejiang Province. It was indicated by using exploring statistics and assessment map of single pollution index tha...

pollution sources into the water, the necessity of qualitative studies of water resources is one of the most important new challenges for mankind in almost every parts of the world. dissolved oxygen (do) and biochemical oxygen demand (bod) are among parameters of water quality indexes which are considered as water pollution indexes. in the present research, do and bod of dez river basin water (...

Nowadays, the conception on environmental protection is increasingly rising up and one of the critical environmental issues is the air pollution due to the rapidly growth of economy and population. Hence, a significant forecasting for the air pollution index (API) becomes important as it can act as the alarm for alerting our awareness in the air pollution issue. In this research, an architectur...

Recent strategies to improve the performance of cycling mode transport are based on infrastructural, behavioral, and multimodal measures, which related concept bikeability. A literature review “bikeability indexes” was conducted focusing indicators, using a four-step systematic process. Fourteen studies were included for final analysis provided 138 17 criteria, four domains. The exploratory evi...

abstract this study shows the relationship between environmental pollution and economical growth by kuznets hypothesis which has drived from provincial data during 1375 - 1385. carbon monoxide pollution as environmental index and gross national product as economical index have been used. fix effects have been preferred to random effects based on f test for estimation of environmental kuznets cu...

While time-series studies have consistently provided evidence for an effect of particulate air pollution on mortality, uncertainty remains as to the extent of the life-shortening implied by those associations. In this paper, the authors estimate the association between air pollution and mortality using different timescales of variation in the air pollution time series to gain further insight in...

Expanding traditional time geography, this study examines personal exposure to air pollution and personal pollutant intake, and defines personal health danger zones by accounting for individual level space-time behavior. A 3D personal air pollution and health risk map is constructed to visualize individual space-time path, personal Air Quality Indexes (AQIs), and personal health danger zones. P...