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Photovoltaic energy is susceptible to high variability, caused by passing clouds that may affect a site's daily energy production substantially. The reduction in solar variability due to geographic diversity was compared for a large central PV plant and small distributed PV plants using a multistep approach. At short timescales, geographic smoothing offers a strong benefit, which decreases with longer...
A common critique of photovoltaic energy is the susceptibility of the systems to high variability— passing clouds can affect a site's day-to-day energy production substantially. This research developed a tool to simulate photovoltaic energy systems in several scenarios throughout the state of Florida and quantifies the hour-to-hour impact of these systems on the statewide generation mix using 11 years...
Periphyton nutrient limitation was assessed in Lake Okeechobee, a large, shallow, eutrophic lake in the southeastern U.S.A. Nutrient assays were performed to determine if the same nutrients that limit phytoplankton also limit periphyton growth in the lake. Nutrient diffusing clay substrates containing agar spiked with nitrogen, phosphorus, or both, along with nutrient-free controls, were incubated...
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