At last, though the analysis of the connotation of oxygen - added curves, oxygen - consumed curves and oxygen - dissolved curves, the paper raised the meaning of investigating the water quality modal in rivers. 展开 关键词: oxygen - consumed organic matter steady condition s - p modal ...
The developed index system includes the water quality assessment standard, t he calculation method and the water quality meaning of index. 评价指数系统包括评价依据、综合指数的计算以及评价结果的水质含义和报告方法等。 dictsearch.appspot.com 3. The water quality assessment of Fengzui River watershed in...
Our results encourage a more general rethink of the meaning of the term development. Prior KC/EKC studies follow an economic-centric discourse by investigating the non-linear change of income inequality or environmental variables under economic development. In these studies, economic growth is regarded...
Besides, water quality index of the canal was 53.83+2.86 meaning that it was type 4 surface water and may not be suitable for agriculture.Utumporn SompongDepartment of General Education (Science Group)Sirikul ThummajitsakulDepartment of Health PromotionYuttana Worawut...
2013). It also shortened the water-scarce season from 185 days in 2001 to 46 days in 2003, meaning more than 75% shortening of the water-scarce season only within three years (Liu et al. 2013). However, in 2009 the distance expanded to about 1200 km, while the period that had ...
Meanwhile, the water resource ecosystem possesses a certain degree of resilience, meaning that it can recover to a certain level through natural restoration or human intervention after being damaged to a certain extent. Building upon this foundation, the DPSIR model is employed to establish a ...
3.3. Water quality change Fig. 6 shows annual variations of TN from 1999 to 2014, although TN data from 2004 to 2007 are missing. The overall trend is decreasing, meaning that the water quality has been improved in terms of TN. The relatively high value in 2013 may presage a return to...
In addition, when modeling from the original fraction results to an index, the physical meaning is lost and rather adjusted to a perception of what is believed the results should look like. Here, since no such adjustment is performed, a value of 10 directly represents a region where 10 ...
With this comparative advantage, a basin can become a virtual water exporter through inter-basin trade37, meaning it will export water-embedded goods to other regions. Though some basins experience positive impact more often than others (across the scenario ensemble), all basins experience both ...
The meaning of ET0 (mm/day) is introduced to express the daily evapotranspiration of crops, calculated by Cropwat software with the main parameters of temperature, sunshine hours, weed speed, humidity. The impacts of following external factors on crops have been considered for WFb calculation, as...