Detecting seasonal and cyclical trends in agricultural runoff water quality—hypothesis tests and block bootstrap power analysis

Engineering & Materials Science

• Agricultural runoff 100%
• Monitoring 24%
• Water 23%
• Nutrients 21%
• Phosphorus 21%
• Drainage 18%
• Nitrogen 16%
• Weirs 13%
• Nitrates 10%
• Watersheds 10%
• Water quality 10%
• Statistical tests 10%
• Channel flow 9%
• Dilution 9%
• Flow structure 9%
• Rivers 8%
• Hydraulics 6%
• Sampling 6%

Earth & Environmental Sciences

• agricultural runoff 58%
• trend 21%
• monitoring 19%
• test 17%
• ditch 16%
• water 13%
• analysis 11%
• drainage 10%
• channel hydraulics 10%
• phosphorus 10%
• nutrient 9%
• vegetation 8%
• nitrogen 8%
• channel flow 7%
• pollutant concentration 7%
• seasonality 6%
• nitrite 6%
• dilution 6%
• watershed 5%
• nitrate 5%
• time series 5%
• valley 5%
• water quality 4%
• winter 4%
• pollutant 4%
• detection 4%
• summer 4%
• sampling 4%
• need 3%
• river 3%
• effect 3%

Chemistry

• Nutrient 31%
• Block Like Crystal 29%
• Flow 28%
• Phosphorus(.) 24%
• Environmental Pollutant 23%
• Nitrogen 17%
• Size Effect 16%
• Nitrite 14%
• Dilution 11%
• Nitrate 10%