@Article{GonçalvesAMCMCPPPLP:2020:EnClSk,
author = "Gon{\c{c}}alves, Andr{\'e} Rodrigues and Assireu, Arcilan T. and
Martins, Fernando R. and Casagrande, Madeleine S. G. and Mattos,
Enrique V. and Costa, Rodrigo Santos and Passos, Robson B. and
Pereira, Silvia Vitorino and Pes, Marcelo Pizzuti and Lima,
Francisco Jos{\'e} Lopes de and Pereira, Enio Bueno",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Universidade Federal de Itajub{\'a} (UNIFEI)} and {Universidade
Federal de S{\~a}o Paulo (UNIFESP)} and {Universidade Federal de
S{\~a}o Paulo (UNIFESP)} and {Universidade Federal de
Itajub{\'a} (UNIFEI)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {Universidade Federal de Itajub{\'a}
(UNIFEI)} and {Instituto Nacional de Pesquisas Espaciais (INPE)}
and {Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)}",
title = "Enhancement of cloudless skies frequency over a large tropical
reservoir in Brazil",
journal = "Remote Sensing",
year = "2020",
volume = "12",
number = "17",
pages = "e2793",
month = "Sept",
keywords = "lake breeze influence, hydropower reservoir, solar irradiance
enhancement, solar energy resource.",
abstract = "Several studies show the effects of lake breezes on cloudiness
over natural lakes and large rivers, but only few contain
information regarding large flooded areas of hydroelectric dams.
Most Brazilian hydropower plants have large water reservoirs that
may induce significant changes in the local environment. In this
work, we describe the prevailing breeze mechanism in a Brazilian
tropical hydropower reservoir to assess its impacts on local
cloudiness and incoming surface solar irradiation. GOES-16 visible
imagery, ISCCP database products, and ground measurement sites
operated by INMET and LABREN/INPE provided data for the
statistical analysis. We evaluate the cloudiness frequency
assuming two distinct perspectives: spatial distribution by
comparing cloudiness over the water surface and areas nearby its
shores, and time analysis by comparing cloudiness prior and after
reservoir completion. We also evaluated the solar irradiance
enhancement over the water surface compared to the border and land
areas surrounding the hydropower reservoir. The results pointed
out daily average cloudiness increases moving away from the
reservoir in any of the four cardinal directions. When looking at
the afternoon-only cloudiness (14 h to 16 h local time), 4% fewer
clouds were observed over the flooded area during summer (DJF).
This difference reaches 8% during autumn (MAM) and spring (SON).
Consequently, the irradiance enhancement at the water surface
compared to external areas was around 1.75% for daily average and
4.59% for the afternoon-only average. Our results suggest that
floating solar PV power plants in hydropower reservoirs can be an
excellent option to integrate both renewable energy resources into
a hybrid power generation due to the high solar irradiance in
Brazilian territory combined with the prevailing breeze mechanism
in large tropical water reservoirs.",
doi = "10.3390/rs12172793",
url = "http://dx.doi.org/10.3390/rs12172793",
issn = "2072-4292",
language = "en",
targetfile = "remotesensing-12-02793-v2.pdf",
urlaccessdate = "13 maio 2024"
}