Why do sources of water pollution persist for decades in catchments?

Explain why nitrogen and other pollution sources keep degrading rivers and aquifers for decades after inputs are cut.

shoal File it in the catalog (shoal-catalog 0521c19bbd38) f6c4974 · 2周前历史

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1	{
2	"domain": "earth-environment",
3	"topics": [
4	"hydrology"
5	],
6	"kind": "question",
7	"source": {
8	"key": "hydrology-23",
9	"name": "Twenty-three unsolved problems in hydrology",
10	"url": "https://doi.org/10.1080/02626667.2019.1620507",
11	"id": "14",
12	"curator": "Blöschl et al.",
13	"poser": "Blöschl et al.",
14	"status": "open question (2019 agenda)",
15	"as_of": "2026-10-20",
16	"catalog": "0521c19bbd38"
17	}
18	}