Thirty-four months (2017–2020) of mooring data were recently obtained at 80.6°N, 7.26°E in the main branch Atlantic Water inflow to Arctic, Yermak Pass Branch. The Branch was sampled that same location during 14 a decade ago (2007–2008) when sea ice abundant (mean sea-ice concentration 74% vs. 39% recent deployment). We focus on time scales larger than 50 hr. new set shows an increase velocity ...

Tunnel engineering is an important aspect of developing and utilizing underground spaces. water inrush became a common problem that restricts the safe efficient construction tunnels. This paper focuses on karst water-rich tunnel in Chongqing establishes seepage field distribution model around tunnel, analyzing evolution law field. The balance method runoff modulus are used to predict inflow. pr...

From the angle of data mining, we adopt association rules, clustering and other technologies to obtain the association between the water quality under WangTing gate with the sub-flow on both sides of WangYu River. In order to have a comprehensive analysis about the impact that diverting water from ChangShu hub and sub-flow on both sides of WangYu river making on the water quality, this article ...

Abstract Artificial neural network (ANN) provides a new way for mine water inflow prediction. However, the effectiveness of prediction using ANN model would not be guaranteed if influencing factors are difficult to quantify or there only few observation data. Chaos theory can recover rich dynamic information hidden in time series. By reconstructing series phase space, multi-dimensional matrix c...