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Journal articles on the topic 'Tropical greenhouse'

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1

Wongwatcharapaiboon, Jitiporn, Fa Likitswat, Sudaporn Sudprasert, and Saffa B. Riffat. "Monitoring Experiment of Melon Greenhouse’s Environment in Tropical Climate." International Journal of Building, Urban, Interior and Landscape Technology (BUILT) 22, no. 2 (2024): 255397. https://doi.org/10.56261/built.v22.255397.

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Greenhouses in tropical climates are designed to control passively the environment, protecting plants from pest and extreme climate condition, which is increasingly important due to climate change. This research aims to monitor a melon greenhouse's environment in a tropical climate to understand light intensity, pollutants, and climate conditions. Indoor and outdoor conditions of melon greenhouse were real-time monitored by Vantage VUE model, DAVIS weather station, PM2.5 meter and noise meter. The findings examined that peak light intensities were recorded at 135,600 lux outdoors and 32,050 lu
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2

Saúco, V. G. "GREENHOUSE CULTIVATION OF TROPICAL FRUITS." Acta Horticulturae, no. 575 (April 2002): 727–35. http://dx.doi.org/10.17660/actahortic.2002.575.85.

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3

Chen, Jianjun. "Chilling Injury in Tropical Foliage Plants: III. Dieffenbachia." EDIS 2016, no. 6 (2016): 4. http://dx.doi.org/10.32473/edis-ep530-2016.

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A chilling temperature is any temperature that is cold enough to cause plant injury but not cold enough to freeze the plant. Chilling injury can occur to tropical foliage plants if greenhouses become too cold or if the plants are exposed to chilling temperatures outside of the greenhouse during packing and shipping. Dieffenbachia, commonly known as dumb cane, ranks among the top five most popular foliage plant genera produced and sold in the United States. This 4-page fact sheet describes the chilling temperatures of Dieffenbachia cultivars in order to assist growers to better manage greenhous
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4

Fearnside, Philip M., and William F. Laurance. "TROPICAL DEFORESTATION AND GREENHOUSE-GAS EMISSIONS." Ecological Applications 14, no. 4 (2004): 982–86. http://dx.doi.org/10.1890/03-5225.

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5

Gibbs, Holly K., and Martin Herold. "Tropical deforestation and greenhouse gas emissions." Environmental Research Letters 2, no. 4 (2007): 045021. http://dx.doi.org/10.1088/1748-9326/2/4/045021.

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6

Fearnside, Philip M., and Salvador Pueyo. "Greenhouse-gas emissions from tropical dams." Nature Climate Change 2, no. 6 (2012): 382–84. http://dx.doi.org/10.1038/nclimate1540.

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7

Alhaqi, M. A. D., A. P. Nugroho, Y. D. Prasetyatama, L. Sutiarso, and M. A. F. Dzaky. "Internet of Things (IoT)-Driven on Evaporative Cooling System for Tropical Greenhouse Environmental Control." IOP Conference Series: Earth and Environmental Science 1302, no. 1 (2024): 012112. http://dx.doi.org/10.1088/1755-1315/1302/1/012112.

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Abstract The impact of climate change on tropical agriculture can be mitigated by using controlled environmental conditions in tropical greenhouse buildings with evaporative cooling. Precision agriculture can be applied by adopting technology based on the Internet of Things (IoT) with easy access and real-time monitoring. A study has been conducted to design and manufacture an IoT-based evaporative cooling control system for cultivating horticultural crops in tropical greenhouses. The system consists of an environmental monitoring node and an air cooler actuator control node. Data temperature,
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8

Liu, Jian, Qingsen Wu, Yini Chen, Yijie Shi, and Baolong Wang. "Calibration and Simulation Analysis of Light, Temperature, and Humidity Environmental Parameters of Sawtooth Photovoltaic Greenhouses in Tropical Areas." Agronomy 15, no. 4 (2025): 857. https://doi.org/10.3390/agronomy15040857.

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To investigate the light and temperature environmental parameters of photovoltaic greenhouses in tropical areas, this study adopted experimental measurement and simulation methods to test and simulate the photosynthetically active radiation (PAR), relative temperature and humidity, and other environmental parameters inside and outside two types of serrated photovoltaic greenhouses in Langheng Village, Yangpu, Hainan. The study aimed to explore the distribution laws of PAR, light transmission rates, and relative humidity and temperature inside and outside double-slope and single-slope photovolt
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9

Roslan, N., M. E. Ya’acob, D. Jamaludin, et al. "Dye-Sensitized Solar Cell (DSSC): Effects on Light Quality, Microclimate, and Growth of Orthosiphon stamineus in Tropical Climatic Condition." Agronomy 11, no. 4 (2021): 631. http://dx.doi.org/10.3390/agronomy11040631.

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The main challenge facing greenhouse designers is to achieve environment-appropriate greenhouses, especially in tropical regions. The excess radiant energy transmitted into the greenhouse predisposes plants to photo-inhibition and consequently reduces crop production. Lately, photovoltaic (PV) modules are equipped as a greenhouse rooftop to minimize the level of irradiation and air temperature in the greenhouse, simultaneously improving its energy consumption. Nevertheless, due to the low level of irradiation, denser conventional PV internal shading would influence the cultivated crops’ growth
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10

Öz, Ünal. "Water Temperature Changes in Greenhouse and out Greenhouse Aquaculture Ponds Systems." MEMBA Su Bilimleri Dergisi 11, no. 2 (2025): 234–41. https://doi.org/10.58626/memba.1671274.

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Greenhouse aquaculture is the subject of research for developing economic and applicable methods. This study was carried out to determine the water temperature changes in-greenhouse and out-greenhouse ponds used in aquaculture. The determined water temperature values were evaluated in terms of the cultivation of tropical freshwater aquarium fish. The research was conducted in a production facility where edible and ornamental fish were cultivated, with in-greenhouse and out-greenhouse ponds, for 48 days during the cold season. Water temperature values were measured daily. During the 48-day peri
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11

Laurance, William F., Susan G. Laurance, and Patricia Delamonica. "Tropical forest fragmentation and greenhouse gas emissions." Forest Ecology and Management 110, no. 1-3 (1998): 173–80. http://dx.doi.org/10.1016/s0378-1127(98)00291-6.

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12

Myers, Norman. "The greenhouse effect: A tropical forestry response." Biomass 18, no. 1 (1989): 73–78. http://dx.doi.org/10.1016/0144-4565(89)90083-8.

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13

Impron, I., S. Hemming, and G. P. A. Bot. "Simple greenhouse climate model as a design tool for greenhouses in tropical lowland." Biosystems Engineering 98, no. 1 (2007): 79–89. http://dx.doi.org/10.1016/j.biosystemseng.2007.03.028.

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14

Thwin, Kyaw Maung Maung, Teerayut Horanont, and Teera Phatrapornnant. "Machine-Learning Microclimate Forecasting for Adaptive Equipment Control via Web Integration in Open-Ventilated Greenhouses." AgriEngineering 6, no. 3 (2024): 2845–69. http://dx.doi.org/10.3390/agriengineering6030165.

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Open-ventilated greenhouses have reasonable setup costs and low operational costs for growers, which is crucial and most appealing for this research. These attributes fit developing nations like Thailand and other tropical regions. It is challenging to control the equipment intended to obtain an ideal microclimate. This research was conducted in an actual greenhouse setting for data collection and experiments, with a proposed system for adaptive equipment control via web integration. Also, the proposed multivariate multistep LSTM was forecasted over 1 h and cooperated with sensor data. Additio
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15

Shamshiri, Ramin. "A Review of Greenhouse Climate Control and Automation Systems in Tropical Regions." Journal of Agricultural Science and Applications 02, no. 03 (2013): 175–82. http://dx.doi.org/10.14511/jasa.2013.020307.

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16

Kumar, Amit, and M. P. Sharma. "Greenhouse Gas Emissions from Hydropower Reservoirs." Hydro Nepal: Journal of Water, Energy and Environment 11 (July 7, 2012): 37–42. http://dx.doi.org/10.3126/hn.v11i0.7159.

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Hydropower reservoirs are found to emit about 35-70 times less greenhouse gas (GHG) compared to thermal power plants. The emissions not only depend on the type of eco-region in which the reservoir is located but also on the reservoir characteristics and water quality parameters. This paper reports the results of the impact of reservoir parameters and water quality characteristics on GHG emission from tropical, temperate and boreal reservoirs. For this purpose, linear equations are developed but the regression coeffi cient is found very poor. The R2 range for CO2 is 5×10-5 to 0.36 for tropical,
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17

Wetterer, James K. "First Baltic record of Plagiolepis alluaudi (Hymenoptera: Formicidae), a tropical ant found in an Estonian greenhouse." Entomologist's Monthly Magazine 156, no. 2 (2020): 127–28. http://dx.doi.org/10.31184/m00138908.1562.4036.

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I report the first Baltic record of the tropical ant species Plagiolepis alluaudi Emery, 1894 (Hymenoptera: Formicidae), found living in a greenhouse at the Botanical Garden of the University of Tartu, Estonia. This species, thought to be native to Madagascar and neighbouring islands, has been previously reported from numerous greenhouses in Western Europe, where it can be a pest through tending of plant-feeding Hemiptera. Although P. alluaudi can be an outdoor pest in tropical and subtropical areas, this ant does not appear to pose a threat of expanding into local natural habitats in temperat
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18

Laumal, Folkes, Herry Suhardiyanto, Mohamad Solahudin, and Slamet Widodo. "Adaptive-Historical Energy-Efficient Temperature Control for Tropical Greenhouses." Jurnal Keteknikan Pertanian 13, no. 1 (2025): 55–73. https://doi.org/10.19028/jtep.013.1.55-73.

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Maintaining an optimal microclimate is essential for efficient operation of tropical greenhouses, particularly under fluctuating weather conditions. This study proposes an adaptive energy-efficient model for regulating air temperature in tropical greenhouses using historical climate data. The model optimizes the fan rotation speeds via an inverter to meet the temperature targets while minimizing energy consumption. Key methodologies include climate data analysis, development of a predictive model for indoor air temperature using Artificial Neural Networks, and optimization of fan speed control
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19

Maulana, Ade Putra. "SIMULATION OF SOLAR PANEL DESIGN AS AN ENERGY SOURCE FOR GREANHOUSE." Journal of Scientech Research and Development 7, no. 1 (2025): 731–36. https://doi.org/10.56670/jsrd.v7i1.1101.

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This study evaluates the technical feasibility of a standalone solar photovoltaic (PV) system in supporting the energy requirements of a 20 m² greenhouse for lettuce (Lactuca sativa) cultivation in Sungailiat, Bangka Belitung, Indonesia. Using the System Advisor Model (SAM), a detailed simulation was conducted to analyze hourly energy generation, battery performance, and load coverage over a one-year period. The greenhouse, which requires an average of 4.8 kWh/day for lighting, ventilation, irrigation, and automation, was paired with a PV system rated at 2.0 kWp and a 5.0 kWh lithium-ion batte
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20

Liu, Jian, Xuyong Wu, Fangyuan Sun, and Baolong Wang. "Development and Application of a Crossed Multi-Arch Greenhouse in Tropical China." Agriculture 12, no. 12 (2022): 2164. http://dx.doi.org/10.3390/agriculture12122164.

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Deep analysis and demonstration of the developed crossed multi-arch greenhouse were conducted from the perspectives of conceptual design, architectural and structural design, functional design, loading parameters, and structural internal forces. The results show that the crossed multi-arch greenhouse combines the ventilation area between the floor-standing round-arch greenhouse and the unsuitable operation area under the arch bars into one to form a multi-span crossed arch structure with good ventilation and heat dissipation, land savings, and fine mechanical behaviors. The main arch structure
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21

YOSHIMURA, Jun, Masato SUGI, and Akira NODA. "Influence of Greenhouse Warming on Tropical Cyclone Frequency." Journal of the Meteorological Society of Japan 84, no. 2 (2006): 405–28. http://dx.doi.org/10.2151/jmsj.84.405.

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22

Yang, Yun, Lixin Wu, Ying Guo, et al. "Greenhouse warming intensifies north tropical Atlantic climate variability." Science Advances 7, no. 35 (2021): eabg9690. http://dx.doi.org/10.1126/sciadv.abg9690.

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Variability of North Tropical Atlantic (NTA) sea surface temperature (SST), characterized by a near-uniform warming at its positive phase, is a consequential mode of climate variability. Modulated by El Niño–Southern Oscillation (ENSO) and the North Atlantic Oscillation, NTA warm anomalies tend to induce La Niña events, droughts in Northeast Brazil, increased frequency of extreme hurricanes, and phytoplankton blooms in the Guinea Dome. Future changes of NTA variability could have profound socioeconomic impacts yet remain unknown. Here, we reveal a robust intensification of NTA variability unde
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23

Zachos, James C., Michael A. Arthur, Timothy J. Bralower, and Howard J. Spero. "Palaeoclimatology (Communication arising): Tropical temperatures in greenhouse episodes." Nature 419, no. 6910 (2002): 897–98. http://dx.doi.org/10.1038/419897b.

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24

Pearson, Paul N., Peter Ditchfield, and Nicholas J. Shackleton. "Palaeoclimatology (Communication arising): Tropical temperatures in greenhouse episodes." Nature 419, no. 6910 (2002): 898. http://dx.doi.org/10.1038/419898a.

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25

Niam, A. G., and H. Suhardiyanto. "Root-Zone Cooling in Tropical Greenhouse: a Review." IOP Conference Series: Materials Science and Engineering 557 (June 28, 2019): 012044. http://dx.doi.org/10.1088/1757-899x/557/1/012044.

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26

Dalal, Ram C., and Diane E. Allen. "Greenhouse gas fluxes from natural ecosystems." Australian Journal of Botany 56, no. 5 (2008): 369. http://dx.doi.org/10.1071/bt07128.

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Besides water vapour, greenhouse gases CO2, CH4, O3 and N2O contribute ~60%, 20%, 10% and 6% to global warming, respectively; minor contribution is made by chlorofluorocarbons and volatile organic compounds (VOC). We present CO2, CH4 and N2O fluxes from natural and relatively unmanaged soil–plant ecosystems (the ecosystems minimally disturbed by direct human or human-induced activities). All natural ecosystems are net sinks for CO2, although tundra and wetlands (including peatlands) are large sources of CH4, whereas significant N2O emissions occur mainly from tropical and temperate forests. Mo
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27

Chen, Chiachung. "Application of the Climograph for the Greenhouse Plan of Subtropical and Tropical Regions." Energies 12, no. 24 (2019): 4627. http://dx.doi.org/10.3390/en12244627.

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The technological levels of greenhouse influence significantly the yields of the crop production and increase the investment cost. The balance between the development of the technological level and the achieving of the increased crop production in the controlled environment is always the primary concern. In this study, the climograph was obtained by plotting the mean minimum monthly temperature versus mean maximum monthly temperature. This climagraph was combined at the optimum temperature ranges of three fruit vegetables and a simple microclimate model was introduced to evaluate the controlli
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Amiruddin, Amiruddin, Hendi Lilih Wijayanto, Kadriadi Kadriadi, and Kadex Widhy Wirakusuma. "Perbandingan Panas dalam Implementasi Sistem Efek Rumah Kaca dan Sistem Tradisional pada Pengeringan Biji Kopi." Jurnal Ilmiah Universitas Batanghari Jambi 22, no. 1 (2022): 349. http://dx.doi.org/10.33087/jiubj.v22i1.1819.

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Indonesia as a country with the largest tropical climate in the world after Brazil, from 27 percent of the tropical zones in the world, Indonesia has 11 percent of tropical areas, including South Sulawesi which is a coffee-producing area which has an area of 690,283 hectares (ha) consisting of People's Plantations 656,067 ha. (95%), Private Basar plantations 19,077 (2.8%), State Large Plantations 15,139 ha (2.2%), South Sulawesi coffee producing areas, especially in Bantaeng spread across Tompo Bulu District. Most of the coffee in Bantaeng is grown in a mixed garden system. However, the drying
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Liu, Jian, Yini Chen, Baolong Wang, Xuyong Wu, and Yi Na. "Simulation and Experimental Study of Light and Thermal Environment of Photovoltaic Greenhouse in Tropical Area Based on Design Builder." Applied Sciences 11, no. 22 (2021): 10785. http://dx.doi.org/10.3390/app112210785.

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In order to study the adaptability of photovoltaic greenhouses to climate in tropical areas, a photovoltaic greenhouse model (photovoltaic panel coverage rate: 76.9%) was built in this study according to a 1:1 proportion. The distribution law of the indoor illuminance, temperature, and humidity were studied simultaneously in the photovoltaic greenhouse by actual measurements and simulation. The filed data are shown as follows: (1) Illuminance: in limited rain winter, the average illuminance and light transmittance were 7.02 kLux and 25.77%, respectively (10:00–16:00); but in different weather
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30

Filip, Pawluk, Borowiec Lech, and Salata Sebastian. "Technomyrmex vitiensis Mann, 1921 (Hymenoptera: Formicidae) – a new exotic ant species in Poland." ANNALS OF THE UPPER SILESIAN MUSEUM IN BYTOM, ENTOMOLOGY 31, online011 (2022): 1–5. https://doi.org/10.5281/zenodo.7346624.

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We report the presence of the tropical ant species <em>Technomyrmex vitiensis</em> Mann, 1921 in Poland. The species was found in a greenhouse of the Botanical Garden of the University of Wroclaw, Poland. <em>Technomyrmex vitiensis </em>is native to the Indo-Malayan region and has been previously reported from greenhouses in several European countries. The number of introduced ant species known from Poland increases to 12.
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31

Polvani, Lorenzo M., Lei Wang, Valentina Aquila, and Darryn W. Waugh. "The Impact of Ozone-Depleting Substances on Tropical Upwelling, as Revealed by the Absence of Lower-Stratospheric Cooling since the Late 1990s." Journal of Climate 30, no. 7 (2017): 2523–34. http://dx.doi.org/10.1175/jcli-d-16-0532.1.

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The impact of ozone-depleting substances on global lower-stratospheric temperature trends is widely recognized. In the tropics, however, understanding lower-stratospheric temperature trends has proven more challenging. While the tropical lower-stratospheric cooling observed from 1979 to 1997 has been linked to tropical ozone decreases, those ozone trends cannot be of chemical origin, as active chlorine is not abundant in the tropical lower stratosphere. The 1979–97 tropical ozone trends are believed to originate from enhanced upwelling, which, it is often stated, would be driven by increasing
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32

Saputra, Oki, Sirajuddin H. Abdullah, Joko Sumarsono, et al. "Rancang Bangun Sistem Pendingin Air Nutrisi Berbasis Peltier untuk Optimasi Pertumbuhan Tanaman Hidroponik." JURNAL SAINS TEKNOLOGI & LINGKUNGAN 11, no. 2 (2025): 259–68. https://doi.org/10.29303/jstl.v11i2.856.

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High ambient temperatures inside tropical greenhouses can significantly raise nutrient solution temperatures in vertical hydroponic systems, disrupting nutrient uptake and reducing plant productivity. This study focuses on the design and development of a nutrient cooling system (chiller) using two TEC1-12706 thermoelectric modules (Peltier) arranged in series to enhance heat dissipation performance. The nutrient solution is pumped from the reservoir to the cooling chamber using a 12 V DC pump and recirculated in a closed-loop configuration. The chiller system is fully automated, controlled by
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33

Salinas, Irene, Juan José Hueso, and Julián Cuevas. "Active Control of Greenhouse Climate Enhances Papaya Growth and Yield at an Affordable Cost." Agronomy 11, no. 2 (2021): 378. http://dx.doi.org/10.3390/agronomy11020378.

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Papaya is a tropical fruit crop that in subtropical regions depends on protected cultivation to fulfill its climate requirements and remain productive. The aim of this work was to compare the profitability of different climate control strategies in greenhouses located in subtropical areas of southeast Spain. To do so, we compared papayas growing in a greenhouse equipped with active climate control (ACC), achieved by cooling and heating systems, versus plants growing in another greenhouse equipped with passive climate control (PCC), consisting of only natural ventilation through zenithal and la
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34

Pittock, A. B., K. Walsh, and K. Mcinnes. "Tropical cyclones and coastal inundation under enhanced greenhouse conditions." Water, Air, and Soil Pollution 92, no. 1-2 (1996): 159–69. http://dx.doi.org/10.1007/bf00175562.

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35

RAULT, P. A. "A TUNNEL GREENHOUSE ADAPTED TO THE TROPICAL LOWLAND CLIMATE." Acta Horticulturae, no. 281 (July 1990): 95–104. http://dx.doi.org/10.17660/actahortic.1990.281.9.

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36

Baudoin, W. O., and CHR von Zabeltitz. "GREENHOUSE CONSTRUCTIONS FOR SMALL SCALE FARMERS IN TROPICAL REGIONS." Acta Horticulturae, no. 578 (June 2002): 171–79. http://dx.doi.org/10.17660/actahortic.2002.578.20.

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37

Soden, Brian J. "Variations in the Tropical Greenhouse Effect during El Niño." Journal of Climate 10, no. 5 (1997): 1050–55. http://dx.doi.org/10.1175/1520-0442(1997)010<1050:vittge>2.0.co;2.

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38

Murdiyarso, D., K. Hergoualc'h, and L. V. Verchot. "Opportunities for reducing greenhouse gas emissions in tropical peatlands." Proceedings of the National Academy of Sciences 107, no. 46 (2010): 19655–60. http://dx.doi.org/10.1073/pnas.0911966107.

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39

Yang, Hong, and Roger J. Flower. "Potentially massive greenhouse-gas sources in proposed tropical dams." Frontiers in Ecology and the Environment 10, no. 5 (2012): 234–35. http://dx.doi.org/10.1890/12.wb.014.

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40

Rosa, Luiz Pinguelli, Marco Aurelio dos Santos, Bohdan Matvienko, Ednaldo Oliveira dos Santos, and Elizabeth Sikar. "Greenhouse Gas Emissions from Hydroelectric Reservoirs in Tropical Regions." Climatic Change 66, no. 1/2 (2004): 9–21. http://dx.doi.org/10.1023/b:clim.0000043158.52222.ee.

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Hadi, Abdul, Kazuyuki Inubushi, Yuichiro Furukawa, Erry Purnomo, Muhammad Rasmadi, and Haruo Tsuruta. "Greenhouse gas emissions from tropical peatlands of Kalimantan,Indonesia." Nutrient Cycling in Agroecosystems 71, no. 1 (2005): 73–80. http://dx.doi.org/10.1007/s10705-004-0380-2.

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42

Myers, Norman, and Thomas J. Goreau. "Tropical forests and the greenhouse effect: A management response." Climatic Change 19, no. 1-2 (1991): 215–25. http://dx.doi.org/10.1007/bf00142229.

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43

Soden, B. J. "Variations in the tropical greenhouse effect during El Nino." Oceanographic Literature Review 45, no. 1 (1998): 35. https://doi.org/10.1016/s0967-0653(98)80162-2.

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44

Huda, Amalia Nurul, and Willy Bayuardi Suwarno. "Characteristics and variability of melon genotypes under shade conditions in greenhouse." Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 51, no. 3 (2023): 324–33. http://dx.doi.org/10.24831/jai.v51i3.48986.

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The utilization of controlled greenhouses can be an alternative for melon (Cucumis melo L.) cultivation. Growing melon in greenhouses lowers the risk of pests and infections by diverse pathogens. Low solar irradiation during the rainy season and pollution in the greenhouse roof, may cause shade stress conditions for the plants inside. This study aimed to elucidate the plant and fruit characteristics of nine genotypes of melon grown under shade conditions in a greenhouse and the variability among them. The experiment was conducted in a greenhouse of Cikabayan Experimental Station, IPB Universit
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45

Ardiansah, Irfan, Endryaz Vergian Nusantara, Selly Harnesa Putri, and Ryan Hara Permana. "A study on microclimate monitoring and control inside greenhouse using fans automation." Indonesian Journal of Electrical Engineering and Computer Science 33, no. 1 (2024): 101. http://dx.doi.org/10.11591/ijeecs.v33.i1.pp101-112.

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&lt;span&gt;Efficient microclimate management is crucial in enhancing crop yields in greenhouses. Factors like temperature, relative humidity, and ultraviolet (UV) index significantly impact crop quality. The absence of adequate ventilation mechanisms in greenhouses presents a challenge for temperature regulation. This study proposes a solution for tropical greenhouses by designing a system that automatically activates fans when temperatures rise above 30 °C. This system regulates temperature and cultivates optimal growth conditions for crops. It is supported by a web page that enables monitor
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Ardiansah, Irfan, Nusantara Endryaz Vergian, Selly Harnesa Putri, and Ryan Permana. "A study on microclimate monitoring and control inside greenhouse using fans automation." Indonesian Journal of Electrical Engineering and Computer Science 33, no. 1 (2024): 101–12. https://doi.org/10.11591/ijeecs.v33.i1.pp101-112.

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Efficient microclimate management is crucial in enhancing crop yields in greenhouses. Factors like temperature, relative humidity, and ultraviolet (UV) index significantly impact crop quality. The absence of adequate ventilation mechanisms in greenhouses presents a challenge for temperature regulation. This study proposes a solution for tropical greenhouses by designing a system that automatically activates fans when temperatures rise above 30 &deg;C. This system regulates temperature and cultivates optimal growth conditions for crops. It is supported by a web page that enables monitoring and
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47

Sundari, Sri, Indera Sakti Nasution, and Ichwana Ichwana. "Analisis Suhu, Kelembaban Dan Kecepatan Angin Pada Bangunan Rumah Kaca Menggunakan Arduino : Studi Kasus Di Fakultas Pertanian Universitas Syiah Kuala." Jurnal Ilmiah Mahasiswa Pertanian 5, no. 1 (2020): 531–40. http://dx.doi.org/10.17969/jimfp.v5i1.13681.

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Abstrak. Pengukuran suhu, kelembaban dan kecepatan angin pada bangunan Rumah Kaca II Fakultas Pertanaian Universitas Syiah Kuala diperlukan untuk mengetahui seberapa tinggi suhu dan kelembaban yang ada di dalam Rumah Kaca II serta untuk mengetahui seberapa kencang angin di dalamnya, pengukuran ini bertujuan untuk mengetahui kelayakan Rumah Kaca II. Pengukuran suhu dan kelembaban diukur dengan menggunkan Arduino dengan menggunakan sensor DHT22 dan untuk pengukuran kecepatan angin menggunakan Anemometer. Data yang telah didapat kemudian diolah menggunakan metode statistik deskriptif kemudian dat
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Daelman, Roxanne, Marijn Bauters, Matti Barthel, et al. "Spatiotemporal variability of CO2, N2O and CH4 fluxes from a semi-deciduous tropical forest soil in the Congo Basin." Biogeosciences 22, no. 6 (2025): 1529–42. https://doi.org/10.5194/bg-22-1529-2025.

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Abstract. Tropical forests play an important role in the greenhouse gas exchange between the biosphere and atmosphere. Despite having the second largest tropical forest globally, the Congo Basin is generally understudied and ground-based greenhouse gas flux data are lacking. In this study, high-frequency measurements spanning 16 months from automated and manual fast-box soil chambers are combined to characterize spatiotemporal variability in soil greenhouse gas fluxes from a lowland tropical forest in Yangambi in the Congo Basin. Based on subdaily continuous measurements for CO2, a total emiss
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Evans, David, Navjit Sagoo, Willem Renema, et al. "Eocene greenhouse climate revealed by coupled clumped isotope-Mg/Ca thermometry." Proceedings of the National Academy of Sciences 115, no. 6 (2018): 1174–79. http://dx.doi.org/10.1073/pnas.1714744115.

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Past greenhouse periods with elevated atmospheric CO2 were characterized by globally warmer sea-surface temperatures (SST). However, the extent to which the high latitudes warmed to a greater degree than the tropics (polar amplification) remains poorly constrained, in particular because there are only a few temperature reconstructions from the tropics. Consequently, the relationship between increased CO2, the degree of tropical warming, and the resulting latitudinal SST gradient is not well known. Here, we present coupled clumped isotope (Δ47)-Mg/Ca measurements of foraminifera from a set of g
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Murakami, Hiroyuki, Thomas L. Delworth, William F. Cooke, Ming Zhao, Baoqiang Xiang, and Pang-Chi Hsu. "Detected climatic change in global distribution of tropical cyclones." Proceedings of the National Academy of Sciences 117, no. 20 (2020): 10706–14. http://dx.doi.org/10.1073/pnas.1922500117.

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Owing to the limited length of observed tropical cyclone data and the effects of multidecadal internal variability, it has been a challenge to detect trends in tropical cyclone activity on a global scale. However, there is a distinct spatial pattern of the trends in tropical cyclone frequency of occurrence on a global scale since 1980, with substantial decreases in the southern Indian Ocean and western North Pacific and increases in the North Atlantic and central Pacific. Here, using a suite of high-resolution dynamical model experiments, we show that the observed spatial pattern of trends is
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