In recent years, due to the re-occurrence of extreme weathers and the water consumption increasing, Jialing River Basin is suffering drought disasters with characteristics of high frequency and aggravating influence, which seriously impacts on the urban water supply safety. A special study was carried out with respect to the drought status quo and the demand on emergency water supply, and the r...

background & aims of the study: heavy metals contaminate drinking water, air and soils. it is very harmful for humans and other live organisms. phytoremediation is one of the direct bio-remediation methods for heavy metal removal from polluted water and soils. this method is accepted environmentally, economically and aesthetically. the purpose of this study was to assess tamarix hispida capacit...

background and objectives: drought stress is one of the most important environmental factors reducing growth and yield of crops, especially in arid and semiarid regions of the world. during drought stress, nutrient uptake diminishes due to rising of solute concentrations and so increasing of osmotic potential in the root zone. with increasing soil ph, micronutrient uptake decreases more than ot...

In recent years, water shortage is becoming one of the most serious problems in the Poyang Lake. In this paper, the long-term water balance items of the Poyang Lake have been analyzed to reveal the coupling effects of Three Gorges Dam (TGD) and droughts on the water balance of Poyang Lake. The results indicate that: (1) the water balance items of Poyang Lake vary greatly, e.g. lake precipitatio...

Abstract Generally, low flow in rivers occur as a result of extended period dryness which is likely attributed to drought. Drought natural occurrence an outcome reduction precipitation region for long time. Hence, growing concern there are possibilities more reduced flows rivers. However, reservoirs can be utilized mitigate negative effects on the supply water dry periods and other purposes. Th...

Background & Aims of the Study: Heavy metals contaminate drinking water, air and soils. It is very harmful for humans and other live organisms. Phytoremediation is one of the direct bio-remediation methods for heavy metal removal from polluted water and soils. This method is accepted environmentally, economically and aesthetically. The purpose of this study was to assess Tamari...

Drought is a recurring challenge to the livelihoods of those living in Tharaka District, Kenya, situated in the semi-arid zone to the east of Mount Kenya, from the lowest slopes of the mountain to the banks of the Tana River. This part of Kenya has been marginal to the economic and political life of Kenya from the colonial period until the present day. A study of more than 30 years of change in...

The flow regime and biogeochemical cycles are greatly affected by river damming drought, especially in ephemeral rivers. However, the combined effects have been rarely considered. This study, taking Dagu River Jiaodong Peninsula of North China as an example, investigated dynamic changes water cycle related to drought using stable isotopes for period 2018–2019. results indicated that significant...

introduction agricultural sustainability is regarded as a key factor for long term profitability of farming in rural areas. researchers believe that an agricultural system is sustainable if it includes environmental quality, economic viability, and employment and social performance. agricultural sustainability can be analyzed on diverse spatial scales, from the field to a regional, national or ...