Table 1.

Overview table of sampling campaigns and data sets used for the different analyses in this study.

Data sets	Spring A		Spring B
Auto-sampler campaign     Total cell concentration     Heterotrophic plate count     Indicator organisms	December 2014 3 × 24 h every 1 h	Figure 1	June 2015 1 × 48 h every 1 h	Figure S1
Local precipitation	2014/2015 2 years every 30 min	Figure 1	2014/2015 2 years every 30 min	Figure 2, Figures S1–S3
Spring discharge	Aug 2014–Jul 2015 1 year every 30 min	Figure 1	March–July 2015 99 days every 30 min	Figure S1
Online flow cytometry     Total cell concentration	–	–	March–July 2015 99 days every 15 min	Figure 2, Figures S1–S3
Conventional monitoring     Heterotrophic plate count     Indicator organisms	2002–2015 14 years quarterly/monthly	Figure 1, Table 2	2002–2015 14 years quarterly/monthly	Figure S1
Regional precipitation	2002–2015 14 years every 10 min	in text	2002–2015 14 years every 10 min	in text