Mr. J. C. Neess of the University of Wisconsin has indicated to the writer in a personal communication that he has often observed a greater variability in plankton tows taken up or down wind in a lake than when made across wind….
Stommel, Henry. 1949. "Trajectories of small bodies sinking slowly through convection cells." Journal of Marine Research 8, (1). https://elischolar.library.yale.edu/journal_of_marine_research/701