A combination of flooding and salinity is detrimental to most plants. We studied tolerance of complete submergence in saline water for Melilotus siculus, an annual legume with superhydrophobic leaf surfaces that retain gas films when under water. M. siculus survived complete submergence of 1 week at low salinity (up to 50 mol m(-3) NaCl), but did not recover following de-submergence from 100 mo...

the purpose of this experiment was to evaluate the effects of salinity on growth parameters and intestine morphology of the caspian white fish. experiment were used with four treatments include,(freshwater (0ppt), brackish water (5ppt), abrupt transition of fish to the salt water 10ppt: )the fish were transferred from fresh water to salt water immediately) and gradual transition of fish to the ...

Stratification and mixing of the water column is an important dynamic process in estuary, which plays a significant role estuarine circulation, mass transport energy exchange. Based on multi-station synchronous observation data from 26 February to 6 March 2011 during dry season North Channel Changjiang Estuary, Richardson number, Simpson number potential anomaly were calculated analyze tidal va...

Groundwater chemistry of small tropical islands is influenced by many factors, such as recharge, weathering and seawater intrusion, among others, which interact with each other in a very complex way. In this work, multivariate statistical analysis was used to evaluate the factors controlling the groundwater chemistry of Kapas Island (Malaysia). Principal component analysis (PCA) was applied to ...

The wide distribution of alpine saline areas in China is faced with two major problems, which are salt intrusion and freeze–thaw. In total, 216 specimens were prepared 6 kinds concrete mix proportions this paper. effects the single compound incorporation metakaolin (MK) polypropylene fiber (PPF) different amounts on mechanical properties microstructure investigated under dual action multi-salt ...

Tropical plant species exhibit a high degree of variability in salt tolerance, probably as a result of evolution in diverse ecosystems, intensive year-round selection pressures, and high temperatures. Salinity may cause major problems for agricultural production in semiarid tropics and areas subjected to seawater intrusion, and is also a concern in any irrigated region subjected to high tempera...

we performed molecular dynamics simulations using the coarse-grained model to study the freezing behavior of pure water and 14% water-salt mixture in a wide range of temperatures for a very long time around 50 nanoseconds. for the salty water, an interface in nanoscale was used. for both systems, the freezing behavior of water molecules was studied using some qualities such as density, total en...