Showing posts with label Precipitation. Show all posts
Showing posts with label Precipitation. Show all posts

Friday, 15 December 2023

Climate Coupling between Temperature, Humidity, Precipitation, and Cloud Cover Over the Canadian Prairies | Chapter 4 | Emerging Issues in Environment, Geography and Earth Science Vol. 4

 This reasoning uses over 50 years of at fixed intervals observations of temperature, relative moisture, and opaque cloud cover and constantly precipitation from 11 environment stations across the Canadian Prairies to resolve the monthly, seasonal, and general climate pairing in the warm season. On climate period scales, temperature depends on cloud compelling, while relative humidity depends on precipitation. The weekly climate depends on two together opaque cloud show support for the current month and precipitation for two together the present and past 2 months in vacation. Multiple undeviating regression shows that oddities of opaque cloud and precipitation demonstrate 60–80% of the variance in the lasting temperature range, siesta relative humidity, and stealing condensation level on monthly opportunity scales. We analyze the within coupling of lasting climate observables as a further guide to judging models. We couple the statistics to abstract energy and water budgets for the Grasslands in the growing season. The clouded cloud observations have been measure against the incoming communication by electronic air waves and longwave fluxes. We estimate that the drydown of total water storage on the countryside damps 56% of precipitation deviations for the growing season on abundant spatial scales, even though this drydown increases evapotranspiration. This couples the climatological surface fluxes to four key observables: cloud forcing, snow, temperature, and humidity. We estimate a climatological evaporative part of 0.61 for the Prairies. The practical relationships of the connected Prairie humidity system across time scale will suffice for evaluating these connected processes in models for weather and seasonal predicting and climate simulation.

Author(s) Details:

Alan K. Betts,
Atmospheric Research, Pittsford, Vermont, USA.

Raymond Desjardins,
Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada.

Devon Worth,
Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada.

Brian Beckage,
Department of Plant Biology, University of Vermont, Burlington, Vermont, USA.

Please see the link here: https://stm.bookpi.org/EIEGES-V4/article/view/12709

Sunday, 27 February 2022

The Relationships between Sexual Size Dimorphism and Precipitation and Female Size and Temperature in Sphaerotherium Brandt, 1833 | Chapter 8 | New Visions in Biological Science Vol.9

 Sexual Size Dimorphism (SSD) was reversed in Diplopoda, as it was in the majority of invertebrates. The goal was to examine SSD in the Sphaerotherium genus. Male and female morphological data for S. cinctellum, S. commune, S. compressum, S. punculatum, S. spinatum, S. tenuitarse, and S. tuberosum were gathered from the literature, including male and female width, volume, and SSD. The five morphological variables were regressed against latitude, precipitation, and temperature using linear regressions. SSD was substantially associated to the mating system, seasonality, and oviposition (r=0.76, Z score=1.97, n=7, p=0.02) and was strongly correlated with precipitation (r=0.76, Z score=1.97, n=7, p=0.02). Female breadth was associated to temperature (r=0.75, Z score=1.93, n=7, p=0.03) and fecundity selection (r=0.75, Z score=1.93, n=7, p=0.03). Temperature was only moderately associated to SSD (r=0.61, Z score=1.42, n=7, p=0.08).

Author(s) Details:

Mark Cooper,
School of Animal, Plant & Environmental Sciences University of the Witwatersrand, Johannesburg 2050, South Africa.

Please see the link here: https://stm.bookpi.org/NVBS-V9/article/view/5872

Monday, 17 January 2022

Effect of the Temperature and the Holding Time on Carburizing Treatment of 18CN4 and 22MC4 Steels | Chapter 03 | Recent Trends in Chemical and Material Sciences Vol. 5

 The resistance to wear and fatigue of mechanical parts subjected to high loads is heavily influenced by the surface of those parts. Producing a hard surface layer over a less strong substrate increases mechanical wear and fatigue resistance in the vast majority of circumstances. A good solution to the exposed problem is a hard layer of steel created by carburizing that bonded progressively to a martensitic area of high hardness and to a core steel of lower hardness and greater toughness. The higher concentration of carbon atoms in the interstitial sites of austenite before quenching accounts for the carburizing layer's high hardness. The existence of ferrite and pearlite components, which arise when the cooling rate after austenitization falls below the critical one, results in a decreased hardness of the core after quenching. The goal of this research was to use a pack carburizing process to create a cemented surface layer on low alloy steel. As parameters of the solid carburizing treatment, several steel grades, austenitization temperatures, and soaking periods were used. Carbon atoms from the cement powder diffuse toward the steel's surface during this treatment, forming iron carbide compounds. Various characterisation techniques were used to evaluate the effect of carburizing parameters on the pace of transformation, the thickness and morphology of carburizing layers, and the structure and hardness of the surface of steels produced by carburizing treatment.


Author(S) Details

Younès Benarioua
Mechanical Engineering Department, Faculty of Technology, University of M’sila Bordj Bou Arréridj Read, M'sila-28000, Algeria Emerging Materials Research Unit, University of Sétif 1, Sétif-19000, Algeria.

View Book:- https://stm.bookpi.org/RTCAMS-V5/article/view/5347

Thursday, 18 November 2021

Investigating the Impact of Climate Change on Precipitation Pattern in Kinnaur District, Himachal Pradesh, India | Chapter 11 | Emerging Challenges in Environment and Earth Science Vol. 1

 Climate change is one of the most pressing issues facing our planet today, and the trend of global warming will be more pronounced at high altitude zones, particularly in the tropics and subtropics, where warming will be 3 to 5 times faster than the rest of the world. Continued climate change is predicted to cause considerable changes in precipitation patterns, affecting river flows, groundwater recharge, natural hazards, the ecosystem, as well as people and their livelihoods. Kinnaur is mostly covered in snow and is located in a cold desert with high hilly ranges varying in elevation from 2,320 to 6,816 metres (7,612 to 22,362 feet). Any variations in precipitation would have an impact on Kinnaur's climate. Climate change in the Himalayas has a huge impact on the ecology and ecosystem. Changes in precipitation patterns would have a variety of effects on the river, as well as the adjacent grassland and woodland ecosystems. It also increases the likelihood of hydro-meteorological disasters such as flash floods, avalanches, floods, Glacier lake outburst floods (GLOF), altered vegetation patterns, and snowline movement, among other things. We looked at Kinnaur's 100-year precipitation data (from 1914 to 2013) to see if climate change had an impact on precipitation patterns. We found a series of wet and dry periods for 25 years, and a 50-year study of average precipitation revealed that average precipitation has been increasing since 1964. According to the statistics above, Kinnaur will have a rainy phase in the next 20-25 years, increasing the chances of a hydro-meteorological disaster.


Author(S) Details

Vinay Kumar Pandey
Geosystems Infrastructure, Mumbai, India.

Ajai Mishra
Department of Geology, University of Lucknow, Lucknow-226007, U.P., India.

View Book:- https://stm.bookpi.org/ECEES-V1/article/view/4710

Friday, 25 June 2021

Synthesis and Characterization of Mesoporous Pseudoboehmite by a Route Mineral and Its Transformation into Alumina- 𝛄 | Chapter 8 | Current Advances in Chemistry and Biochemistry Vol. 6

 This study defines the synthesis of a mesoporous pseudoboehmite without the use of organic agents. Precipitation of a mesoporous pseudoboehmite with a specific surface area of 317 m2/g at pH=7 and atmospheric pressure from a temperature solution of 60°C, alkaline melting of a bauxite, gave a mesoporous pseudoboehmite with a specific surface area of 317 m2/g. Hydrochloric acid (HCl) is used as a precipitating agent. In comparison, the same treatment applied to the same solution but at a lower temperature of 25°C produced an amorphous gel with a low specific surface. As a result, the temperature of the synthesis solution has a significant impact on the finished product's textural properties, particularly the volume and pore diameter. Furthermore, the pseudoboehmite was transformed into a nano spinel lattice alumina- with a precise surface area of 272 m2/g using this simple process. The textural analysis of alumina nearly preserved the topotactic properties of pseudoboehmite. Analytical methods such as EDX, XRD, FTIR, SEM, and BET were used to characterize the synthesized materials. The nitrogen isotherms and pore size distribution curves show that the products made with alumina- at 25°C or 60°C are mesoporous materials with flat particles.

Author (S) Details

Dr. Idriss Mahamat Yaya
University Hassan IER, Department of Applied Chemistry and Environment, Faculty of Sciences and Technology (FST), BP 577, route de Casablanca, Settat, Morocco.

Nimbona Guillaume
University Hassan IER, Department of Applied Chemistry and Environment, Faculty of Sciences and Technology (FST), BP 577, route de Casablanca, Settat, Morocco.

Mohammed Arkhis
University Hassan IER, Department of Applied Chemistry and Environment, Faculty of Sciences and Technology (FST), BP 577, route de Casablanca, Settat, Morocco.

View Book :- https://stm.bookpi.org/CACB-V6/article/view/1440

Monday, 31 May 2021

Studies on Environmental Friendlier Magnesium Fuel from Liquid Waste Bittern | Chapter 7 | Advanced Aspects of Engineering Research Vol. 13

Due to a projected need to reduce fossil fuel usage while also lowering greenhouse gas emissions, magnesium metal production is predicted to increase significantly over the next decade and beyond. Bittern is considered a hazardous liquid waste to the atmosphere, posing substantial environmental risks; nonetheless, it has numerous uses in industrial and agriculture, as well as in the production of magnesium and other compounds. To extract pure magnesium oxide from bittern, precipitation procedures utilizing sodium or ammonium hydroxide or oxalic acid solutions were proposed, as well as technological procedures incorporating both. Magnesium metal manufacture is technically difficult and has extremely high production costs. High-temperature reduction, electrolysis of molten magnesium chloride, and other technologies involving the use of a laser and solar radiation are among the most recent methods for creating magnesium metal from oxides. The bittern solution is an example of a valuable resource for magnesium and other low-cost salts that could be created as by-products of Magnesia processing.


Author (s) Details

Dr. M. S. Shalaby
Pilot Plant Department, EL Bohouth St. (former EL Tahrir st.) Dokki, Giza, Egypt

Prof. Dr. Shakinaz A. El-Sherbini
Chemical Engineering, Faculty of Engineering, Cairo University, Egypt.

Rania Ramadan
Pilot Plant Department, EL Bohouth St. (former EL Tahrir st.) Dokki, Giza, Egypt.

Prof. Dr. Shadia A. El-Rafie
Pilot Plant Department, EL Bohouth St. (former EL Tahrir st.) Dokki, Giza, Egypt.

Prof. Dr. Hanem A. Sibak
Chemical Engineering, Faculty of Engineering, Cairo University, Egypt


View Book :- https://stm.bookpi.org/AAER-V13/article/view/1166

Thursday, 27 May 2021

Research on Development and Optimization of an LC-MS/MS Method for Dosage Form of Ergocalciferol (Vitamin D2) in Human Plasma | Chapter 5 | Current Approaches in Science and Technology Research Vol. 4

 The use of high-resolution mass spectra has made it easier to measure ergocalciferol in biological material. To quantify ergocalciferol, multiple LC-MS/MS methods have been developed. Using LC-MS/MS, researchers were able to establish an accurate method for quantifying ergocalciferol in a large number of samples, which should be tested in the blood shortly after administration. The goal of this research is to improve chromatographic conditions and assess the LC-MS/MS method for reliable quantification of ergocalciferol dose form in human plasma. Methanol liquid–liquid extraction and a reverse phase C8 column were used to extract and separate ergocalciferol from human plasma, respectively. To detect and quantify ergocalciferol by LC-MS/MS, the residue following liquid-liquid extraction was dissolved using PTAD reagent along with the reconstituted solution. A quadrupole tandem mass spectrometer (LC-MS/MS) with an atmospheric pressure chemical ionisation (APCI) source was used for detection. The procedure was validated using certified reference material in accordance with FDA requirements. The LOQ for the analyte examined was 5.44 ng/mL, 65.123 ng/mL in medium-MQC, and 120.598 ng/mL in high-HQC, and the quality control samples did not exceed 20 and 15% CV, respectively. The method for determining ergocalciferol was validated, and the accuracy was found to be between 95.40 and 103.09 percent. This approach can be used to determine the amount of ergocalciferol in the systemic circulation after external intake of tablets. The LC-MS/MS test can be used to quantify ergocalciferol natural form from external ingestion and investigate the metabolism of clinical trial participants.

Author(s) Details

A. Srinivas
Department of Genetics, Osmania University, Hyderabad, 500 007, Telangana, India.

M. Tamilselvi
Value Added Corporate Services Pvt Ltd, Besant Nagar, Chennai, 600090, India.


View Book :- https://stm.bookpi.org/CASTR-V4/article/view/1039