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Littérature scientifique sur le sujet « Humus Arid regions Computer simulation »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 5 février 2022

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Articles de revues sur le sujet "Humus Arid regions Computer simulation"

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Yaseen, Zaher Mundher, Anas Mahmood Al-Juboori, Ufuk Beyaztas, Nadhir Al-Ansari, Kwok-Wing Chau, Chongchong Qi, Mumtaz Ali, Sinan Q. Salih, and Shamsuddin Shahid. "Prediction of evaporation in arid and semi-arid regions: a comparative study using different machine learning models." Engineering Applications of Computational Fluid Mechanics 14, no. 1 (November 15, 2019): 70–89. http://dx.doi.org/10.1080/19942060.2019.1680576.

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Shiri, Naser, Jalal Shiri, Zaher Mundher Yaseen, Sungwon Kim, Il-Moon Chung, Vahid Nourani, and Mohammad Zounemat-Kermani. "Development of artificial intelligence models for well groundwater quality simulation: Different modeling scenarios." PLOS ONE 16, no. 5 (May 27, 2021): e0251510. http://dx.doi.org/10.1371/journal.pone.0251510.

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Groundwater is one of the most important freshwater resources, especially in arid and semi-arid regions where the annual amounts of precipitation are small with frequent drought durations. Information on qualitative parameters of these valuable resources is very crucial as it might affect its applicability from agricultural, drinking, and industrial aspects. Although geo-statistics methods can provide insight about spatial distribution of quality factors, applications of advanced artificial intelligence (AI) models can contribute to produce more accurate results as robust alternative for such
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Wang, Xin, Yanling Zhao, Huifang Liu, Wu Xiao, and Shuzhao Chen. "Evaluating the Water Holding Capacity of Multilayer Soil Profiles Using Hydrus-1D and Multi-Criteria Decision Analysis." Water 12, no. 3 (March 11, 2020): 773. http://dx.doi.org/10.3390/w12030773.

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In semi-arid climate regions of China, vegetation restoration on open pit mining lands is limited by soil moisture. However, multi-layered soil profiles can impede water infiltration into deeper underground, leaving more water stored in the root zone. Here, three types of soils with contrasting texture, sandy loam (SL), sand (S), and silt loam (SiL), were used to construct four multilayer profiles: SL-SiL, SL-S, SL-S-SiL, and SL-SiL-S. Silt loam was taken from the humus layer, which is more conducive to plant growth than other layers, and it was allocated to the first layer in the four profile
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Alyahya, Ahmed A., and Nawari O. Nawari. "Towards Net-Zero Energy in Hot-Dry Regions: Building Envelope Design Strategies for Single-Family Homes." Journal of Sustainable Development 11, no. 3 (May 30, 2018): 45. http://dx.doi.org/10.5539/jsd.v11n3p45.

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Global climate change is serving as warning signs it gradually begins to capture the attention of people at large. Many actions have been and continue to be taken by governments and organizations to preserve the planet, which is impactful and needed. But conservation efforts are not exclusive to governments and large institutions- individuals can contribute in multiple ways that will have ripple effects, one being the choice to build sustainable, net-zero energy homes. Building a house that is a net-zero energy requires many strategies.One of the most compelling factors in reducing the home en
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Molto, J. Eldon, Joe D. Stewart, and Paula J. Reimer. "Problems in Radiocarbon Dating Human Remains from Arid Coastal Areas: An Example from the Cape Region of Baja California." American Antiquity 62, no. 3 (July 1997): 489–507. http://dx.doi.org/10.2307/282167.

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Three AMS radiocarbon dates on bone collagen from Las Palmas culture human skeletons from the cape region of Baja California are analyzed. Carbon derived from both terrestrial and marine sources necessitates correcting the radiocarbon ages for reservoir effects. Complicating this, however, are (a) the uncertain percentage of carbon of marine origin in the samples and (b) the convergence of the Pacific Ocean and the Gulf of California, which differ markedly in reservoir values. Computer program CALIB 3.0.3c is used to correct and calibrate the conventional radiocarbon dates in a simulation usin
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Roitberg, Elena, Maxim Shoshany, and Yehuda Agnon. "The response of shrubland patterns' properties to rainfall changes and to the catastrophic removal of plants in semi-arid regions predicted by Reaction–Diffusion simulations." Ecological Informatics 32 (March 2016): 156–66. http://dx.doi.org/10.1016/j.ecoinf.2016.02.001.

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Nguyen, Uyen, Edward P. Glenn, Thanh Duc Dang, and Lien T. H. Pham. "Mapping vegetation types in semi-arid riparian regions using random forest and object-based image approach: A case study of the Colorado River Ecosystem, Grand Canyon, Arizona." Ecological Informatics 50 (March 2019): 43–50. http://dx.doi.org/10.1016/j.ecoinf.2018.12.006.

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Bilenko, Nataliia, and Oleksandr Titlov. "Improving energy efficiency of the systems for obtaining water from atmospheric air." Eastern-European Journal of Enterprise Technologies 2, no. 8 (110) (April 30, 2021): 31–40. http://dx.doi.org/10.15587/1729-4061.2021.229545.

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This paper outlines the prospect of obtaining water from atmospheric air by cooling it to the dew point temperature using refrigeration machines in order to partially reduce water scarcity in the arid regions of our planet. To minimize energy costs in the systems for obtaining water from atmospheric air, it is proposed to utilize solar energy with absorption refrigeration units (ARUs) acting as a source of artificial cold. The characteristic thermodynamic processes have been analyzed in a modernized ARU, capable of working at a lower thermal energy source's temperature than its analogs. The po
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Nozari, Hamed, and Saeed Azadi. "System dynamics simulation of crop yield under different irrigation water quality and quantity." Water Practice and Technology, November 25, 2020. http://dx.doi.org/10.2166/wpt.2020.109.

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Abstract Agricultural products are one of the major sources of food for people in many countries. So, increasing crop yield is a major challenge for governments as increasing the population. On the other hand, agricultural improvement needs to take into consideration the type of land and water available. The decrease of water availability and soil salinity are two major limiting factors in sustainable agriculture in the arid and semiarid regions. In this study, the combined effect of salinity and water stress on crop yield was simulated by developing a computer model based on a system dynamics
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Thèses sur le sujet "Humus Arid regions Computer simulation"

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Georgis, Kidane. "The effect of fertiliser management practices on soil organic matter production in the semi-arid areas : a field and modelling approach." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09AFP/09afpg352.pdf.

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Bibliography: leaves 155-169. Studies the effect of nitrogen fertilizer on dry matter production under differing watering regimes. Investigates the accuracy of different crop and soil organic matter models for predicting crop yield, nitrogen uptake and changes in soil organic carbon and nitrogen. Compares the models with data from long-term field experiments on wheat in Australia and sorghum in Ethiopia. Finds that a higher crop yield and better nitrogen and water utilisation can be achieved if addition of nitrogen fertilizer is balanced with soil water.
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Livres sur le sujet "Humus Arid regions Computer simulation"

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Ungar, E. D. Management of agropastoral systems in a semiarid region. Wageningen: Pudoc, 1990.

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1954-, Uhlir P. F., Carter G. C, and CODATA Commission on Global Change Data., eds. Crop modeling and related environmental data: A focus on applications for arid and semiarid regions in developing countries. Paris, France: CODATA, 1994.

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Chapitres de livres sur le sujet "Humus Arid regions Computer simulation"

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Abrahams, Athol D., and Melissa Neave. "Biogeochemical Fluxes across Piedmont Slopes of the Jornada Basin." In Structure and Function of a Chihuahuan Desert Ecosystem. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195117769.003.0011.

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This chapter is an overview of recent studies of the movement of water, sediment, and nutrients across a principle piedmont slope, or bajada, of the Jornada Basin. Bajadas are extensive, gently sloping surfaces formed by the coalescence of alluvial fans and are a major landscape component of the basin and range province. Over the past four decades a considerable body of research has elucidated the form and function of alluvial fans (Bull 1977; Blair and McPherson 1994; Harvey 1997), but less attention has been paid to bajadas. In particular, the bajadas most neglected are those where channels converge and diverge at irregular intervals downslope. This type of bajada is found at the base of Summerford Mountain, the northernmost peak of the Doña Ana Mountains on the western edge of the Jornada Basin. For convenience, this bajada is hereafter referred to as the Summerford bajada. The research has involved rainfall simulation experiments on small plots, monitoring of two small watersheds on this bajada, and computer modeling of the processes operating in these watersheds and over the bajada as a whole. A detailed understanding of the hydrology and hydraulics of overland flow on this bajada requires a numerical model of the rainfall-runoff process. The objective of this chapter is to detail the model and draw conclusions from model simulations about hydrologic transports of sediment and nutrients across this bajada. Because these piedmonts are important surfaces in this desert (chapter 2) an understanding of their hydrologic and biogeochemical dynamics is crucial to understanding landscape dynamics in the basin and throughout arid regions. Summerford Mountain is a steep-sided, rocky inselberg (i.e., isolated mountain) that rises 380 m above the surrounding bajada to an elevation of 1,780 m. The mountain is composed of monzonite porphyry of Oligocene age (Seager et al. 1976) and has a fringing bajada on its northern and eastern sides. This study focuses on the bajada to the east, which extends 2.5 km to the basin floor at an average gradient of 4%.
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