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Dissertations / Theses on the topic 'Vapour pressure deficit'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Wahid, Zabri Abdul. "The effect of low vapour pressure deficit (VPD) on growth of sweet pepper (Capsicum annuum L.)." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267941.

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2

Prayag, Kervin D. "The effects of elevated [CO₂] and decreased vapour pressure deficit on the nutrient status of maize and wheat plants under well-watered conditions." Master's thesis, University of Cape Town, 2020. http://hdl.handle.net/11427/32525.

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Increases in photosynthetic rates (A), biomass production and grain yield have been measured across a range of C₃ plants under elevated atmospheric [CO₂] ('eCO₂'). However, decreases in the nutritional status of many C₃ plants growing at eCO₂ often occur concurrently with these increases. Several mechanisms have been proposed for these eCO₂-induced decreases, such as dilution effects due to enhanced carbohydrate production, down-regulation of photosynthesis, reduced root development, and decreased transpiration-driven mass flow delivery of nutrients. Reduced mass flow at eCO₂ is generally acce

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3

Carneiro, Rafaela Lorenzato. "Caracterização da capacidade fotossintética e da condutância estomática em árvores de Pinus caribaea var. hondurensis e de Pinus taeda em Itatinga, São Paulo." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-10092013-170745/.

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Realizaram-se campanhas em árvores de cinco anos de idade de Pinus caribaea var. hondurensis e Pinus taeda em parcelas controle (sem fertilização e sem irrigação) e parcelas fertilizadas e irrigadas, durante o verão e o inverno de 2012 visando caracterizar as seguintes variáveis fisiológicas: i) Capacidade máxima fotossintética (Amax); ii) Fotossíntese ao longo do dia (A); iii) Variação da condutância estomática (gs) em relação ao aumento do déficit de pressão de vapor (DPV); e iv) Taxas máximas de carboxilização (Vcmax) e de transporte de elétrons (Jmax) via curvas A/Ci. O estudo foi realizad

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4

Pilloni, Raphael. "AGRONOMICAL AND PHYSIOLOGICAL STUDY OF THE RESPONSE OF SORGHUM AND PEARL MILLET CROPS TO HIGHER SOWING DENSITY IN THE SEMI-ARID TROPICS. ASSESSEMNT OF THE OPPORTUNITY FOR SUSTAINABLE INTENSIFICATION AND CONSEQUENCE FOR THE TRANSPIRATION RESPONSE TO EVAPORATIVE DEMAND OF THE CROPS." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2022. http://www.theses.fr/2022UMONG051.

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Dans les régions tropicales semi-arides, le sorgho et le mil sont des sources essentielles de revenus et de calories. Une intensification durable est donc nécessaire pour assurer la sécurité alimentaire. Ces deux céréales sont en grande partie cultivées dans des systèmes de petites exploitations et cultivées à faible densité, ce qui ouvre la voie à une augmentation du rendement grâce à cette gestion agronomique. A travers des essais au champ et des essais lysimétriques réalisés en Inde et au Sénégal, ce travail a montré la possibilité d'augmenter significativement la biomasse et le rendement e

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5

DePauli, Arianne. "Small Scale Vapor Pressure Deficit Changes Influence on Transpiration." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/613834.

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6

Adelman, Jonathan D. "Using temporal patterns in vapor pressure deficit to explain spatial autocorrelation dynamics in tree transpiration." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1313909961&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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7

Affeld, Kathrin. "Spatial complexity and microclimatic responses of epiphyte communities and their invertebrate fauna in the canopy of northern rata (Metrosideros robusta A. Cunn.: Myrtaceae) on the West Coast of the South Island, New Zealand." Diss., Lincoln University, 2008. http://hdl.handle.net/10182/771.

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Rain forest canopies are renowned for their very high biodiversity and the critical role they play in key ecological processes and their influence on global climate. Despite that New Zealand supports one of the most diverse and extensive epiphyte flora of any temperate forest system, few studies have investigated epiphyte communities and their invertebrate fauna along with factors that influence their distribution and composition. This thesis represents the first comprehensive study of entire epiphyte communities and their resident invertebrate fauna in the canopy of New Zealand’s indigenous f

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8

Renda, da Costa Paula MR. "A Quantified Approach to Tomato Plant Growth Status for Greenhouse Production in a Semi Arid Climate." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/194440.

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Balancing plant growth between vegetative and reproductive status is crucial for producing high quality greenhouse tomatoes while maintaining high productivity in long crop production seasons. In the tomato industry, certain plant morphological characteristics are used to classify plant growth status as vegetative, reproductive or balanced. Each growth status has been associated with distinct greenhouse environments which reduce or enhance transpiration.The effect of different transpiration on vegetative, reproductive or balanced plant growth status as defined by a set of plant morphological

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9

Raczka, B., S. C. Biraud, J. R. Ehleringer та ін. "Does vapor pressure deficit drive the seasonality of δ 13C of the net land-atmosphere CO2 exchange across the United States?" AMER GEOPHYSICAL UNION, 2017. http://hdl.handle.net/10150/625792.

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The seasonal pattern of the carbon isotope content (delta C-13) of atmospheric CO2 depends on local and nonlocal land-atmosphere exchange and atmospheric transport. Previous studies suggested that the delta C-13 of the net land-atmosphere CO2 flux (delta(source)) varies seasonally as stomatal conductance of plants responds to vapor pressure deficit of air (VPD). We studied the variation of (source) at seven sites across the United States representing forests, grasslands, and an urban center. Using a two-part mixing model, we calculated the seasonal delta(source) for each site after removing ba

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10

Szejner, Paul, William E. Wright, Flurin Babst, et al. "Latitudinal gradients in tree ring stable carbon and oxygen isotopes reveal differential climate influences of the North American Monsoon System." AMER GEOPHYSICAL UNION, 2016. http://hdl.handle.net/10150/621424.

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The arrival of the North American Monsoon System (NAMS) terminates a presummer hyperarid period in the southwestern United States (U.S.), providing summer moisture that is favorable for forest growth. Montane forests in this region rely on winter snowpack to drive much of their growth; the extent to which they use NAMS moisture is uncertain. We addressed this by studying stable carbon and oxygen isotopes in earlywood and latewood from 11 sites along a latitudinal gradient extending from Arizona and New Mexico to Utah. This study provides the first regional perspective on the relative roles of

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11

Marrichi, Ana Heloisa Carnaval. "Caracterização da capacidade fotossintética e da condutância estomática em sete clones comerciais de Eucalyptus e seus padrões de resposta ao déficit de pressão de vapor." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-13042009-144513/.

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O estudo caracterizou as variáveis fisiológicas da fotossíntese, em 7 clones de Eucalyptus de alta produtividade, determinando-se as capacidades fotossintéticas máximas (Amax), e o comportamento da fotossíntese (A), condutância (gs) e transpiração (E) em relação ao Déficit de Pressão de Vapor (DPV). Para isso, um ensaio foi instalado em 2004, na ESALQ/USP, contendo os clones do Projeto BEPP (Brasil Eucalyptus Produtividade Potencial), sendo cada parcela composta de 49 plantas (7x7) no espaçamento de 3,0m x 2,7m. Mediram-se as alturas ou DAPs e selecionaram-se 3 árvores médias para as mensuraçõ

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12

Vu, Duy Hoang [Verfasser], and Folkard [Akademischer Betreuer] Asch. "Effects of temperature and vapor pressure deficit on genotypic responses to nitrogen nutrition and weed competition in lowland rice / Duy Hoang Vu ; Betreuer: Folkard Asch." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2021. http://d-nb.info/1240761198/34.

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13

Batista, Karine Dias. "Variações diurnas da fotossíntese e efeitos do anelamento de ramos sobre a fotossíntese e o metabolismo do carbono em café arábica." Universidade Federal de Viçosa, 2008. http://locus.ufv.br/handle/123456789/4292.

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Made available in DSpace on 2015-03-26T13:36:36Z (GMT). No. of bitstreams: 1 texto completo.pdf: 520335 bytes, checksum: 133b7aafe14e6bfde015c5e172526a0e (MD5) Previous issue date: 2008-02-26<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This study was carried out in order to examine (i) the diurnal changes in photosynthesis rates under low atmospheric evaporative demand, and (ii) the relationship between the rate of net photosynthesis (A) and carbon (C) metabolism in experimentally-manipulated branches through girdling. Two experiments were separately conducted and so an

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14

Filho, Celso Luís de Oliveira. "Prognóstico das variáveis meteorológicas e da evapotranspiração de referência com o modelo de previsão do tempo GFS/NCEP." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/11/11131/tde-21082007-111326/.

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Avaliou-se o desempenho de um modelo numérico de previsão do tempo (GFS - Global Forecast System  antigo AVN  AViatioN model - do Centro Nacional para Previsão Ambiental  NCEP) no prognóstico de variáveis meteorológicas temperatura, déficit de pressão de vapor do ar, saldo de radiação e velocidade do vento, e da evapotranspiração de referência calculada pelos métodos de Thornthwaite (1948) e de Penman-Monteith (Allen et al., 1998). O desempenho foi avaliado por comparação com dados provenientes de uma estação meteorológica, situada em Piracicaba, São Paulo. A temperatura e o

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15

Liu, Haitao [Verfasser], Johannes [Akademischer Betreuer] [Gutachter] Schnyder, and Thorsten [Gutachter] Grams. "Effects of vapor pressure deficit, nitrogen fertilizer and leaf turnover on the oxygen isotope composition of cellulose in leaves of a perennial C₄ grass (Cleistogenes squarrosa) / Haitao Liu ; Gutachter: Thorsten Grams, Johannes Schnyder ; Betreuer: Johannes Schnyder." München : Universitätsbibliothek der TU München, 2017. http://d-nb.info/1128819406/34.

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16

Bryant, Kelsey N. "Determining and Comparing Hydraulic Behavior among Trees with Differing Wood Types in a Temperate Deciduous Forest." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1617026904705736.

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17

Theerasutthikul, Potjanee. "Investigating the main and interactive effects of vapour pressure deficit, soil water deficit, warmer temperatures and elevated CO2 on cotton growth and physiology." Thesis, 2019. http://hdl.handle.net/1959.7/uws:56616.

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Climate change factors such as rising temperature, atmospheric carbon dioxide concentration [CO2] and increased drought frequency and intensity have been shown to affect cotton physiology and productivity. To investigate the effect of climate change on cotton, we divided our study into two parts, of which the first study focused on the effect of vapour pressure deficit (VPD) and soil water deficit (SWD) on stomatal response and the second study focused on the effect of increased temperature (TE) and elevated [CO2] (CE) on cotton growth and physiology. We conducted both experiments in an enviro

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18

Matimati, Ignatious. "The relevance of fog and dew precipitation to succulent plant hydrology in an arid South African ecosystem." Thesis, 2009. http://hdl.handle.net/11394/3354.

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Magister Scientiae (Biodiversity and Conservation Biology)<br>Fog and dew interception and utilization by plant canopies remains one of the least considered aspects of vegetation studies at any scale yet the few studies that have been conducted point to their considerable influence on ecological processes and a critical role in modulating climate in southern African arid ecosystems. Their relevance to succulent plant hydrology was investigated in this study.The first study measured stable 18O and 2H isotope ratios in samples of rain, fog and dew water and compared these with those assayed m

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19

Waite, Pierre-André. "Variability of wood and leaf functional traits in response to structural and environmental changes in natural and transformed systems in Indonesia." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-14F8-D.

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20

Bower, Katherine E. "Relationship between transpiration and nitrogen uptake by pepper (Capsicum annuum) as mediated by vapor pressure deficit." 2008. http://purl.galileo.usg.edu/uga%5Fetd/bower%5Fkatherine%5Fe%5F200812%5Fms.

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21

Yi-Lun, Sung, and 宋易倫. "Assessment on the Optimal Applicability of Vapor-Pressure-Deficit Calculation Methods in the Penman-Monteith Equation for Estimating Evapotranspiration." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28577447103189058709.

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碩士<br>中原大學<br>土木工程研究所<br>95<br>Vapor pressure deficit (VPD) is a significant index for the capacity of evaporation, and also plays an important parameter in estimating evapotranspiration, particularly in the combination or Penman-Monteith type equations. Due to the difference on the environmental climate characteristic, climate variables selected, number of records sampled, averaging means and compoundable ways, there are 3 types 26 VPD calculation methods which were widespreadly used for estimating evapotranspiration around the world. Those methods for VPD calculation were analyzed and compar

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