Abstract The article introduces some of the general challenges global water security (in context availability good quality water) and highlights likely impact climate change, increasing pollution population growth on resources, including flooding droughts, as outlined in recent studies. nexus between water, food energy is introduced, along with concept virtual desirability for society, industry...

This note aims at demonstrating the advantage of moving-water well-balanced schemes over still-water well-balanced schemes for the shallow water equations. We concentrate on numerical examples with solutions near a moving-water equilibrium. For such examples, still-water well-balanced methods are not capable of capturing the small perturbations of the moving-water equilibrium and may generate s...

Waiting time dependent rotational anisotropies of SCN(-) anions and water molecules in alkali thiocyanate (XSCN, X = Li, Na, K, Cs) aqueous solutions at various concentrations were measured with ultrafast infrared spectroscopy. It was found that cations can significantly affect the reorientational motions of both water molecules and SCN(-) anions. The dynamics are slower in a solution with a sm...

Europe is committed to a new growth strategy with no net greenhouse gases emissions by 2050, where hydrogen has clear role play. Portugal's for H2 sets public policies promoting an industry focused on the value chain. Considering production of green from renewable sources key, water electrolysis becomes priority, and it, need assess suitability sources, which determined both quantitative qualit...

Overwhelming evidence reveals that concentrations of dissolved organic carbon (DOC) have increased in streams which brings negative environmental impacts. DOC in stream flow is mainly originated from soil-water solutions of watershed. Wetlands prove to be the most sensitive areas as an important DOC reserve between terrestrial and fluvial biogeosystems. This reported study was focused on the di...