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Tesis sobre el tema "Soil Moisture Temperature Coupling"

Autor: Grafiati
Publicado: 10 de marzo de 2023
Última modificación: 11 de marzo de 2023

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1

Attalla, Daniela, and Wu Jennifer Tannfelt. "Automated Greenhouse : Temperature and soil moisture control." Thesis, KTH, Maskinkonstruktion (Inst.), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-184599.

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In this thesis an automated greenhouse was built with the purpose of investigating the watering system’s reliability and if a desired range of temperatures can be maintained. The microcontroller used to create the automated greenhouse was an Arduino UNO. This project utilizes two different sensors, a soil moisture sensor and a temperature sensor. The sensors are controlling the two actuators which are a heating fan and a pump. The heating fan is used to change the temperature and the pump is used to water the plant. The watering system and the temperature control system was tested both separat
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2

El-Bishti, Magda Bashier. "Determination of soil moisture using dielectric soil moisture sensors : effect of soil temperature and implication for evaporation estimates." Thesis, University of Reading, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487102.

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The reliability and accuracy of several sensors that employ the relationship between dielectric constant and soil moisture constant, e, in particular capacitance sensors were investigated. Results obtained from laboratory examinations ,of a Theta probe, TP, selected as a representative model for capacitance sensors, suggested that the sensor output was affected by temperature variations, electrical conductivity levels, spatial variation in sample bulk density as well as the level of compaction of the soil surrounding the sensor's rods. Detailed in situ e data collected usmg capacitance sensors
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3

Franks, Carol Dawn. "Temperature, moisture and albedo properties of Arizona soils." Thesis, The University of Arizona, 1985. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1985_263_sip1_w.pdf&type=application/pdf.

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4

Alvenäs, Gunnel. "Evaporation, soil moisture and soil temperature of bare and cropped soils /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5714-9.pdf.

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5

Low, Spencer Nishimoto. "An Exploration of Soil Moisture Reconstruction Techniques." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9169.

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Satellite radiometers are used to remotely measure properties of the Earth's surface. Radiometers enable wide spatial coverage and daily temporal coverage. Radiometer measurements are used in a wide array of applications, including freeze/thaw states inference, vegetation index calculations, rainfall estimation, and soil moisture estimation. Resolution enhancement of these radiometer measurements enable finer details to be resolved and improve our understanding of Earth. The Soil Moisture Active Passive (SMAP) radiometer was launched in April 2014 with a goal to produce high resolution soil mo
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6

Post, Donald F., Jamie P. Dubay, and Allan D. Matthias. "The Effects of Rock and Green Waste Mulches on Soil Moisture and Soil Temperature." Arizona-Nevada Academy of Science, 2000. http://hdl.handle.net/10150/296563.

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7

Adu-Gyamfi, Kwame. "Laboratory calibration of soil moisture, resistivity, and temperature probe - Capacitance probe." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1173385776.

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8

Brewer, Robert Wayne. "Summer Regional United States Diurnal Temperature Range Variability With Soil Moisture Conditions." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1428939308.

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9

Dilawari, Geetika. "Analysis of the influence of soil temperature and soil surface conditions on soil moisture estimation using the Theta Probe." [Ames, Iowa : Iowa State University], 2006.

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10

Matheron, Michael, Martin Porchas, and Michael Maurer. "Effect of Temperature and Moisture on Survival of Phytophthora in Citrus Grove Soil." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/223839.

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Before replanting a citrus grove in Arizona, different preplant cultural activities may be performed, such as immediate replanting of the new citrus grove, allowing soil to lay fallow for various lengths of time, or planting the site to alfalfa for one or more years before the new citrus grove is established. A study was conducted to compare the effect of these different cultural preplant practices on the survival of Phytophthora in citrus grove soils. In June, 1998, and July, 1999, a total of 18 soil samples were collected within mature lemon groves. Each initial bulk sample was pretested, fo
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11

Uchaipichat, Anuchit Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Experimental investigation and constitutive modelling of thermo-hydro-mechanical coupling in unsaturated soils." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2005. http://handle.unsw.edu.au/1959.4/22068.

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A thermo-elastic-plastic model for unsaturated soils has been presented based on the effective stress principle considering the thermo-mechanical and suction coupling effects. The thermo-elastic-plastic constitutive equations for stress-strain relations of the solid skeleton and changes in fluid content and entropy for unsaturated soils have been established. A plasticity model is derived from energy considerations. The model derived covers both associative and non-associative flow behaviours and the modified Cam-Clay is considered as a special case. All model coefficients are identified in te
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12

Acosta, Alvaro. "Estimating diurnal patterns of water uptake by roots from detailed measurement of soil moisture and soil temperature gradients." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269928.

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13

Mohammad, Abdul KADER. "Effectiveness of various types of mulching on soil moisture and temperature regimes under rainfed soybean cultivation." Kyoto University, 2020. http://hdl.handle.net/2433/259050.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第22782号<br>農博第2425号<br>新制||農||1081(附属図書館)<br>学位論文||R2||N5302(農学部図書室)<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授 中村 公人, 教授 星野 敏, 教授 藤原 正幸<br>学位規則第4条第1項該当
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14

Fuhrer, Oliver. "Inverse heat conduction in soils : a new approach towards recovering soil moisture from temperature records /." Zürich : ETH IKF, 2000. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=114.

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15

Williams, Todd Joseph. "Effects of temperature and moisture content on transport of organic vapours in dual-porosity soil." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0025/MQ50379.pdf.

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16

Elson, Marshall Kent. "Influence of temperature, soil moisture, and planting depth on germination and emergence of 'Packman' broccoli." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/45969.

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<p>Broccoli growers in southside Virginia have had difficulty with stand establishment. This research was undertaken to identify potential causes of poor stand establishment. Temperature and soil moisture conditions in southside Virginia during July and August are often less than favorable for seedling growth. Experiments were designed to test the temperature and moisture stress limits for germination and emergence of 'Packman' broccoli, under the controlled conditions of growth chambers. </p><br>Master of Science
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17

Kingsley-Richards, Sarah. "Influence of Plant Age, Soil Moisture, and Temperature Cylcing Date on Containter-Grown Herbaceous Perennials." ScholarWorks @ UVM, 2011. http://scholarworks.uvm.edu/graddis/122.

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Perennial growers overwintering plant stock require information to assist in deciding which containerized plants are most likely to successfully overwinter. Three studies on container-grown herbaceous perennials were conducted to examine the influence of plant age, soil moisture, and temperature cycling date on cold hardiness. In January, plants were exposed to controlled freezing temperatures of -2, -5, -8, -11, and -14C and then returned to a 3-5C greenhouse. In June, plants were assessed using a visual rating scale of 1-5 (1 = dead, 3-5 = increasing salable quality, varying by cultiva
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18

Zhou, Zhengming. "Non-linear elastic modelling of coupled deformation, heat, air and moisture transfer in unsaturated soil." Thesis, Cardiff University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360637.

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19

Teclehaimanot, Dawit Lee Jejung. "Quantitative analysis of moisture content and temperature of landfill soil cover and their effect on methane emission." Diss., UMK access, 2005.

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Thesis (M.S.)--Dept. of Geosciences. University of Missouri--Kansas City, 2005.<br>"A thesis in urban environmental geology." Typescript. Advisor: Jejung Lee. Vita. Title from "catalog record" of the print edition Description based on contents viewed March 12, 2007. Includes bibliographical references (leaves 116-119). Online version of the print edition.
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20

Wolchansky, Jennifer E. "Effects of simulated grazing on soil temperature, moisture, and respiration on a shortgrass steppe in northeastern Colorado." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/cr/colorado/fullcit?p1427769.

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21

Luo, Lei. "Proposing an improved surface dryness index to estimate soil moisture based on the temperature vegetation dryness index." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/34605.

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Master of Arts<br>Department of Geography<br>Douglas Goodin<br>In this thesis, I proposed a new surface dryness index based on the slope of soil moisture isolines in the Land Surface Temperature/Normalized Difference Vegetation Index (LST/NDVI) feature space. This index, referred to here as Dryness Slope Index (DSI), overcomes the problem of Temperature Vegetation Dryness Index (TVDI) having different basis when calculating TVDI values across different images. This problem is rooted in the definition of TVDI whose calculation depends on the position of the “dry edge” and “wet edge” of pixels’
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22

Franca, Lucas Xavier. "EMERGENCE PATTERNS OF COMMON WATERHEMP AND PALMER AMARANTH IN SOUTHERN ILLINOIS." OpenSIUC, 2015. https://opensiuc.lib.siu.edu/theses/1756.

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The continued spread of glyphosate-resistant common waterhemp [Amaranthus tuberculatus (Moq.) Sauer (syn. rudis)] and Palmer amaranth [Amaranthus palmeri (S. Wats.)] have complicated weed control efforts in soybean and corn production in Illinois. A thorough understanding of the weed biology of these species is fundamental in developing effective weed management strategies. The determination of emergence patterns as well as the influence of tillage practices on soil microclimate and soil seed bank will allow control strategies to be implemented at the most effective timing. Field experiments w
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23

Jordan, Kyle K. "The effects of landscaping mulch on invertebrate populations and soil characteristics." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1092784271.

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24

Sohrabinia, Mohammad. "Estimation of the near-surface air temperature and soil moisture from satellites and numerical modelling in New Zealand." Thesis, University of Canterbury. Geography, 2013. http://hdl.handle.net/10092/8707.

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Satellite observations provide information on land surface processes over a large spatial extent with a frequency dependent on the satellite revisit time. These observations are not subject to the spatial limitations of the traditional point measurements and are usually collected in a global scale. With a reasonable spatial resolution and temporal frequency, the Moderate Resolution Imaging Spectroradiometer (MODIS) is one of these satellite sensors which enables the study of land-atmospheric interactions and estimation of climate variables for over a decade from remotely sensed data. This rese
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25

Sun, Jian. "Parameter estimation of coupled water and energy balance models based on stationarity constraints of soil moisture and temperature." Thesis, Boston University, 2012. https://hdl.handle.net/2144/31613.

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Thesis (Ph.D.)--Boston University<br>PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>A new method is developed for estimating the parameters of land surface water and energy balance models through enforcement of stationary constraints on soil moisture and temperature. Through conditional aver
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26

Baur, Florian [Verfasser], and George C. [Akademischer Betreuer] Craig. "Soil moisture-precipitation coupling over Central Europe : relative impact of surface heterogeneity on deep convection / Florian Baur ; Betreuer: George C. Craig." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1196009007/34.

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27

Hammer, Rachel Lynn. "Soil Respiration and Related Abiotic and Remotely Sensed Variables in Different Overstories and Understories in a High Elevation Southern Appalachian Forest." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/93272.

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Forests have the ability to sequester carbon from our atmosphere. Soil respiration (Rs) plays a role in a forest's ability to do so as it is a significant source of carbon dioxide back to the atmosphere. Therefore, understanding the process of Rs under varying conditions is gaining more attention. As of now we have a relatively good understanding of Rs under managed forest ecosystems such as pine plantations. This particular study examined Rs under different overstories and understories in a high elevation Southern Appalachian forest in order to get a better understanding of Rs under a natural
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28

DAVIES, BERESFORD OBAFEMI ARNOLD. "A MODEL FOR THE PREDICTION OF SUBGRADE SOIL RESILIENT MODULUS FOR FLEXIBLE-PAVEMENT DESIGN: INFLUENCE OF MOISTURE CONTENT AND CLIMATE CHANGE." University of Toledo / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1102690606.

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29

Kong, Xin. "Near-surface soil moisture retrieval at field and regional scales in UK : coupling of field measurements, a dynamic model and satellite imagery." Thesis, University of East Anglia, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429801.

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30

Wennman, Pär. "Decomposition and nitrogen transformations in digested sewage sludge applied to mine tailings-effects of temperature, soil moisture, pH and plants /." Uppsala : Dept. of Soil Sciences, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/9157666288.pdf.

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31

Ensor, Breanne Leigh. "Spatial and Temporal Trends in Greenhouse Gas Fluxes from a Temperate Floodplain along a Stream-Riparian-Upland Gradient." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71424.

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Increased floodplain and wetland restoration activity has raised concerns about potential impacts on the release of greenhouse gases (GHGs) to the atmosphere due to restored connectivity between aquatic and terrestrial ecosystems. Research has shown GHG fluxes from hydrologically active landscapes such as floodplains and wetlands vary spatially and temporally in response to primary controls including soil moisture, soil temperature, and available nutrients. In this study, we performed a semimonthly sampling campaign measuring GHG (CO2, CH4, and N2O) fluxes from six locations within a third-ord
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32

Boisserie, Marie. "Generation of an empirical soil moisture initialization and its potential impact on subseasonal forecasting skill of continental precipitation and air temperature." Tallahassee, Florida : Florida State University, 2010. http://etd.lib.fsu.edu/theses/available/etd-03112010-043112.

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Thesis (Ph. D.)--Florida State University, 2010.<br>Advisor: James O'Brien, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page viewed on July 21, 2010. Document formatted into pages; contains xv, 90 pages. Includes bibliographical references.
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33

Schuh, Carina. "Influence of soil moisture content and infiltration on ground temperature and active layer depth in a river terrace in Adventdalen, Svalbard." Thesis, Stockholms universitet, Institutionen för naturgeografi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-121459.

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The active layer constitutes an important subsystem of permafrost environments. Thermal andhydrological processes in the active layer determine local phenomena such as erosion, hydrologicaland ecosystem changes, and can have implications for the global carbon-climate feedback.Despite their importance for environmental and climate change, active layer dynamics are stillonly poorly understood. The importance of hydrology for active layer processes is generallywell acknowledged on a conceptual level, but the physical interdependencies between soil moisture,subsurface water flows and active layer
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34

Wu, Sihong. "Impact of cold climate on boreal ecosystem processes : exploring data and model uncertainties." Doctoral thesis, KTH, Biogeofysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40451.

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The impact of cold climate on physical and biological processes, especially the role of air and soil temperature in recovering photosynthesis and transpiration in boreal forests, was investigated in a series of studies. A process-based ecosystem model (CoupModel) considering atmospheric, soil and plant components was evaluated and developed using Generalized Likelihood Uncertainty Estimation (GLUE) and detailed measurements from three different sites. The model accurately described the variability in measurements within days, within years and between years. The forcing environmental conditions
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35

Roshani, Pedram. "The Effect of Temperature on the SWCC and Estimation of the SWCC from Moisture Profile under a Controlled Thermal Gradient." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31072.

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In many situations, the upper layers of soil above the ground water table are in a state of unsaturated condition. Although unsaturated soils are found throughout the world, they are predominant in arid or semi-arid regions. In these areas, the soil water characteristic curve (SWCC) which relates the water content to the matric suction could be used as key tool to implement the mechanics of unsaturated soils into the designs of geotechnical structures such as dams, embankments, pavements, canals, and foundations. Several experimental techniques are available for determining the SWCC in a labo
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36

Lloyd, Davidson A. "Effects of rhizosphere priming and microbial functions on soil carbon turnover." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/9278.

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A major uncertainty in soil carbon studies is how inputs of fresh plant-derived carbon affect the turnover of existing soil organic matter (SOM) by so-called priming effects. Priming may occur directly as a result of nutrient mining by existing microbial communities, or indirectly via microbial population adjustments. Soil type and conditions may also influence the intensity and direction of priming effects. However the mechanisms are poorly understood. The objectives of this study were (1) to investigate how additions of labile C4 substrate affected SOM turnover in two contrasting unplanted C
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37

Sommerlot, Andrew Richard. "Coupling Physical and Machine Learning Models with High Resolution Information Transfer and Rapid Update Frameworks for Environmental Applications." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/89893.

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Few current modeling tools are designed to predict short-term, high-risk runoff from critical source areas (CSAs) in watersheds which are significant sources of non point source (NPS) pollution. This study couples the Soil and Water Assessment Tool-Variable Source Area (SWAT-VSA) model with the Climate Forecast System Reanalysis (CFSR) model and the Global Forecast System (GFS) model short-term weather forecast, to develop a CSA prediction tool designed to assist producers, landowners, and planners in identifying high-risk areas generating storm runoff and pollution. Short-term predictions for
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38

Silva, Elienai Ferreira da [UNESP]. "Variabilidade espaço-temporal da emissão de CO2 do solo em curto período sob influência de eventos de precipitação." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138071.

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Submitted by ELIENAI FERREIRA DA SILVA null (elienay_ufal@yahoo.com.br) on 2016-04-20T13:13:56Z No. of bitstreams: 1 Dissertação_Elienai_Ferreira_da_Silva_2016.pdf: 3253667 bytes, checksum: e870c1f05f0e42c11842daaae32d27f1 (MD5)<br>Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-04-26T14:57:01Z (GMT) No. of bitstreams: 1 silva_ef_me_jabo.pdf: 3253667 bytes, checksum: e870c1f05f0e42c11842daaae32d27f1 (MD5)<br>Made available in DSpace on 2016-04-26T14:57:01Z (GMT). No. of bitstreams: 1 silva_ef_me_jabo.pdf: 3253667 bytes, checksum: e870c1f05f0e42
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39

Panosso, Alan Rodrigo. "Variabilidade espacial da emissão de CO2, temperatura e umidade em latossolo sob cultivo de cana-de-açúcar em sistemas de colheita manual com queima e mecanizada /." Jaboticabal : [s.n.], 2006. http://hdl.handle.net/11449/88280.

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Resumo: A caracterizacao da variabilidade espacial de atributos do solo de areas agricolas e uma tarefa importante, pois somada a influencia dos aspectos pedologicos temos uma grande contribuicao do manejo. Neste trabalho foi determinada a estrutura da variabilidade espacial da emissao de CO2, temperatura e umidade em Latossolo Vermelho eutroferrico em tres localidades sob cultivo da cana-de-acucar em sistemas de manejos de cana crua e de cana queimada, no nordeste do Estado de Sao Paulo. As maiores emissoes foram observadas no local sob manejo de cana queimada, num valor medio de 2,05 Êmol m-
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40

Cai, Tiebo. "Analysis of the net ecosystem exchange of CO₂ in a 56-year-old coastal Douglas-fir stand : its relation to temperature, soil moisture and photosynthetically active radiation." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/30753.

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The primary goal of this thesis was to investigate the relationship of canopy photosynthesis (P) to photosynthetically active radiation (PAR) in a 56-year-old coastal Douglas-fir stand (DF49) located on Vancouver Island. Canopy P was calculated as daytime NEP + daytime R[sub e], where NEP and R[sub e] are net ecosystem production of CO[sub 2] and ecosystem respiration, respectively. Half-hourly values of NEP were obtained using an EC (eddy covariance) system consisting of a 3-D sonic anemometer-thermometer and a closed-path infrared gas (CO[sub 2]/H[sub2]O) analyzer, and daytime R[sub e]
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41

Panosso, Alan Rodrigo [UNESP]. "Variabilidade espacial da emissão de CO2, temperatura e umidade em latossolo sob cultivo de cana-de-açúcar em sistemas de colheita manual com queima e mecanizada." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/88280.

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Made available in DSpace on 2014-06-11T19:23:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-09-12Bitstream added on 2014-06-13T20:50:12Z : No. of bitstreams: 1 panosso_ar_me_jabo.pdf: 2194382 bytes, checksum: c6f96722456045aaddb9ac21be01b595 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A caracterizacao da variabilidade espacial de atributos do solo de areas agricolas e uma tarefa importante, pois somada a influencia dos aspectos pedologicos temos uma grande contribuicao do manejo. Neste trabalho foi determinada a estrutura da variabilidade espaci
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42

Chavez, Luis Fernando. "Emissões de Co2 do solo sob preparo convencional e plantio direto em latossolo vermelho do Rio Grande do Sul." Universidade Federal de Santa Maria, 2008. http://repositorio.ufsm.br/handle/1/5476.

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Climatic change is associated with the increase of greenhouse gases (GHG) concentration, including carbon dioxide (CO2). Among the most important strategies to decrease global warming are decrease emissions and increase biological capture of CO2 through carbon sequestration in the ecosystems. Therefore, soils are fundamental to this strategy because depending in its use and management, they could act as a carbon source or sink. A study was conducted in a Rhodic Hapludox, in a long-term (22 years) experiment, to evaluate CO2-C emissions from soil produced by management practices and its depende
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43

Khan, Shabana. "Factors affecting nitric oxide and nitrous oxide emissions from grazed pasture urine patches under New Zealand conditions." Lincoln University, 2009. http://hdl.handle.net/10182/1570.

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New Zealand is dominated by its agricultural industry with one of the most intensive farming practices being that of intensive dairying. New Zealand currently has approximately 5.3 million dairy cows that excrete up to 2.2 L of urine, per urination event, up to 12 times per day. This equates to 5.1 x10¹⁰ L per year or enough urine to fill over 1.2 million milk tankers. This sheer volume of urine and its associated N content has implications for the cycling of N within the pasture soils utilised, and New Zealand’s greenhouse gas budget due to the emission of N₂O from urine affected areas. The e
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44

Ren, Junping. "Interpretation of the Frozen Soils Behavior Extending the Mechanics of Unsaturated Soils." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39555.

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Soil is the most widely used material in the construction of various civil infrastructure. Various types of soils are extensively used in its natural or compacted form in the construction of dams, canals, road and railway subgrades, and waste containment structures such as soil covers and liners. These infrastructure and foundation soils are exposed to the influence of environmental factors. In the permafrost and seasonally frozen regions, soils can be in different states (e.g., saturated or unsaturated, frozen or thawed, or combinations of them) due to the variations in moisture content and t
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45

Malbéteau, Yoann. "Suivi des ressources en eau par une approche combinant la télédétection multi-capteur et la modélisation phénoménologique." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30193/document.

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Ces travaux ont pour objectif général d'améliorer la représentation spatio-temporelle des processus hydrologiques de surface à partir de modèles dont la complexité est adaptée aux informations disponibles par la télédétection multi-capteur/multi-résolution. Nous avons poursuivi des développements méthodologiques (désagrégation, assimilation, modélisation du bilan d'énergie) autour de l'estimation de l'humidité du sol dans le contexte de la gestion des ressources en eau dans les régions semi-arides. Récemment, des missions spatiales permettent d'observer l'humidité des sols en surface; notammen
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46

Souza, Luma Castro de [UNESP]. "Emissão de CO2 do solo associada à escarificação em latossolo e em argissolo." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/149881.

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Submitted by LUMA CASTRO DE SOUZA null (lumasouza30@hotmail.com) on 2017-03-22T13:39:12Z No. of bitstreams: 1 Luma_Castro_de_Souza.pdf: 1962132 bytes, checksum: d9f166261796c44cf5d9fa2c419999e6 (MD5)<br>Approved for entry into archive by Luiz Galeffi (luizgaleffi@gmail.com) on 2017-03-22T19:35:40Z (GMT) No. of bitstreams: 1 souza_lc_dr_jabo.pdf: 1962132 bytes, checksum: d9f166261796c44cf5d9fa2c419999e6 (MD5)<br>Made available in DSpace on 2017-03-22T19:35:40Z (GMT). No. of bitstreams: 1 souza_lc_dr_jabo.pdf: 1962132 bytes, checksum: d9f166261796c44cf5d9fa2c419999e6 (MD5) Previous issue
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47

Falkenberg, Nyland Ray. "Remote sensing for site-specific management of biotic and abiotic stress in cotton." Thesis, Texas A&M University, 2004. http://hdl.handle.net/1969.1/478.

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This study evaluated the applicability of remote sensing instrumentation for site- specific management of abiotic and biotic stress on cotton grown under a center pivot. Three different irrigation regimes (100%, 75%, and 50% ETc) were imposed on a cotton field to 1) monitor canopy temperatures of cotton with infrared thermometers (IRTs) in order to pinpoint areas of biotic and abiotic stress, 2) compare aerial infrared photography to IRTs mounted on center pivots to correlate areas of biotic and abiotic stress, and 3) relate yield to canopy temperatures. Pivot-mounted IRTs and IR camera
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48

Cline, Nathan Lyle. "Wet-Thermal Time and Plant Available Water in the Seedbeds and Root Zones Across the Sagebrush Steppe Ecosystem of the Great Basin." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4384.

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Following wildfires, plant materials are direct-seeded to limit erosion and annual weed invasion. Seedlings often fail to establish because selected plant materials are not always well adapted to local soil moisture and temperature conditions. In an effort to help improve plant materials selection and to evaluate sites potential revegetation, we have worked toward developing methodology to predict germination and root growth based on site specific soil moisture and temperature conditions. First, we characterized the seedbed environment of 24 sagebrush (Artemisia spp.) steppe sites throughout t
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49

SILVA, José Roberto Lopes da. "Investigação da dinâmica dos processos hidrológicos e sedimentológicos em escala de parcela no semiárido de Pernambuco." Universidade Federal Rural de Pernambuco, 2015. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5317.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2016-08-15T12:47:57Z No. of bitstreams: 1 Jose Roberto Lopes da Silva.pdf: 3751979 bytes, checksum: d1e5aa84305eb1d047e5f172594d52cf (MD5)<br>Made available in DSpace on 2016-08-15T12:47:58Z (GMT). No. of bitstreams: 1 Jose Roberto Lopes da Silva.pdf: 3751979 bytes, checksum: d1e5aa84305eb1d047e5f172594d52cf (MD5) Previous issue date: 2015-07-28<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>Financiadora de Estudos e Projetos - Finep<br>Th
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50

Drouet, Emeline. "Impact de la température sur la carbonatation des matériaux cimentaires : prise en compte des transferts hydriques." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2010. http://tel.archives-ouvertes.fr/tel-00618092.

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La carbonatation est une pathologie du béton armé qui peut engendrer la corrosion des armatures et à terme de la fissuration. Dans le cadre de la gestion des déchets radioactifs, les structures et les conteneurs seraient soumis simultanément à un échauffement (exothermie des déchets), au CO2 atmosphérique, ainsi qu'à un séchage important. Afin de rendre compte de leur évolution à l'échelle séculaire, les données actuelles relatives à la carbonatation à température ambiante doivent être complétées, d'une part par une description de la phénoménologie en température, et d'autre part, par la prise
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