This page shows the connectivity of water research between National Science Foundation General Topics. The citation network below is an estimation of the degree of connectivity, which is the probability that one topic (node) is cited by other topics. It is measured by directional citations between articles’ research topics for general topics. The direction of each edge is represented by drawing it clockwise from an earlier node to a later node. The direction of the edges and the citation proportion can be viewed by hovering over the edges that link one topic to another. The edge thickness represents the connectivity proportion and the node size represents research volume. Please note that adjusting the connectivity using the drop-down menu rescales the edges, so the smaller edges may look larger in the network for legibility purposes.

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