Figure 6From: Seasonal variations in pore water and sediment geochemistry of littoral lake sediments (Asylum Lake, MI, USA)Dissolved sulfide as a function of depth measured in replicate peepers in (A) fall (Nov 2001), (B) spring (May/Jun 2002) and (C) summer (Aug/Sept 2002). Dashed line indicates the sediment water interface. Sulfide was not measured in winter.Back to article page