swollen river. flooding high marker gauge

agency agriculture autumn bluemeasurement brown change climate country countryside damage deep disruption downpour drain drainage dredging ecology emergency england environment environmental farm farming fields flash flood flooding floods gauge global green heavy height high instrument land level levels lowlands marker measure moor moorland mud muddy protection rain rainfall rainwater rising risk river road roads rural science scotland sea season seasonal sewage sign stormy surge swollen table transport wales warming warning waste water weather wet wetlands wettest winter