Análisis estadístico de la razón entre el PM2.5 y el PM10 de los datos continuos de las estaciones de la red de monitoreo de calidad del aire en Bogotá PDF Download
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Author: Camilo Andrés Cáceres Tocora Publisher: ISBN: Category : Languages : es Pages :
Book Description
La razón PM10/PM2.5 junto con variables meteorológicas como la precipitación, la velocidad y dirección del viento nos da información de los procesos y la procedencia del material particulado. Con el fin de obtener esta información, se tomaron los datos horarios de 6 estaciones de monitoreo de Bogotá para los años 2014-2016, se validaron y se analizó esta razón en el ciclo diurno. Se determinó que la razón promedio fue de 0.44 para toda la ciudad. Es decir que, en peso, las partículas finas son casi la mitad del peso de las partículas gruesas. Se determinó que en las horas de la noche y algunas de la mañana, el PM2.5 explica casi totalmente el PM10 dada la poca variabilidad en las velocidades del viento ya que procesos de resuspensión disminuyen. No obstante, en las horas de la tarde esta correlación es baja en casi todas las estaciones debido a la presencia...
Author: Camilo Andrés Cáceres Tocora Publisher: ISBN: Category : Languages : es Pages :
Book Description
La razón PM10/PM2.5 junto con variables meteorológicas como la precipitación, la velocidad y dirección del viento nos da información de los procesos y la procedencia del material particulado. Con el fin de obtener esta información, se tomaron los datos horarios de 6 estaciones de monitoreo de Bogotá para los años 2014-2016, se validaron y se analizó esta razón en el ciclo diurno. Se determinó que la razón promedio fue de 0.44 para toda la ciudad. Es decir que, en peso, las partículas finas son casi la mitad del peso de las partículas gruesas. Se determinó que en las horas de la noche y algunas de la mañana, el PM2.5 explica casi totalmente el PM10 dada la poca variabilidad en las velocidades del viento ya que procesos de resuspensión disminuyen. No obstante, en las horas de la tarde esta correlación es baja en casi todas las estaciones debido a la presencia...
Author: Sukhada Mohandas Publisher: Springer ISBN: 9811015856 Category : Science Languages : en Pages : 345
Book Description
Bananas and plantains are among the most important food and cash crops in the world. They are cultivated in more than 135 countries, across the tropics and subtropics, with an annual global production of ca. 130 million metric tonnes. Though bananas are one of the most important components of food security in many developing countries, banana production is threatened by both abiotic and biotic stresses. These include a wide range of diseases and pests, such as bunchy top virus, burrowing nematodes, black Sigatoka or black leaf streak, Fusarium wilt, etc. In recent years, considerable progress has been made and several biotechnological and genomic tools have been employed to help understand and unravel the mysterious banana genome. Molecular and genomic studies have helped to decipher the Musa genome and its evolution. Genetic linkage map and whole genome sequencing of both Musa acuminata and Musa balbisiana (progenitors of cultivated banana) have completely changed the way of thinking and the approach on banana crop improvement. Whole-genome sequencing has helped to improve the selection of quantitative traits such as yield, as well as the selection of optimal parents for developing required hybrids in breeding programs. Gene isolation and the analysis of mutants have helped in the characterization of genes of agronomic value and the associated regulatory sequences. With the advent of molecular markers and new statistical tools, it is now possible to measure the diversity, identify genes and useful alleles linked to important agronomic traits. Further these alleles can be incorporated into cultivars through marker assisted selection or through transgenic approach. Transgenic approaches are potential tools for direct transfer of these genes into popular cultivars, which are generally not amenable for conventional breeding techniques, in specific with crops such as bananas which are sterile, triploid and heterozygous thereby making it difficult to reconstruct the recurrent genotypes in banana. Transgenic techniques thus have helped overcome the difficulty of working with sterile, triploid banana crop. In the last five years, enormous amount of new information and techniques have been generated for banana. A comprehensive book entitled “Banana: Genomics and Transgenic Approaches for Genetic improvement” on banana genomics, latest transgenic technologies and tools available for improved crop development in banana will address all these requirements.
Author: Piet Lens Publisher: IWA Publishing ISBN: 1843391007 Category : Science Languages : en Pages : 545
Book Description
Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.
Author: Khalid Rehman Hakeem Publisher: Springer Science & Business Media ISBN: 1461470285 Category : Science Languages : en Pages : 504
Book Description
The improvement of crop species has been a basic pursuit since cultivation began thousands of years ago. To feed an ever increasing world population will require a great increase in food production. Wheat, corn, rice, potato and few others are expected to lead as the most important crops in the world. Enormous efforts are made all over the world to document as well as use these resources. Everybody knows that the introgression of genes in wheat provided the foundation for the “Green Revolution”. Later also demonstrated the great impact that genetic resources have on production. Several factors are contributing to high plant performance under different environmental conditions, therefore an effective and complementary use of all available technological tools and resources is needed to meet the challenge.
Author: Janeen Ippolito Publisher: ISBN: 9780997409956 Category : Languages : en Pages :
Book Description
What would you do if the one you loved was turned into a monster? Melrose Durante brings order. As founder of the Houses of the Dead, he tirelessly opposes the vampires, and provides refuge for the Blood Kind, those like himself who fight against the blood curse that leads to vampirism. His medical breakthroughs have brought many back from the vampire path. After thousands of years, the Blood Kind finally has the upper hand. Until a vampire attacks Melrose's family, then begs for asylum. To his friends she's Lucy, a disturbed young woman prone to incoherent rants, warning of an imminent attack by vampire leader, Conan. But to Melrose she's something more. His lost wife, Jane. One thing is clear - time is running out. In five days Conan will attack Quebec City, killing or enslaving all in his way. If Melrose cannot unlock his wife's tormented mind, even his immortal wisdom may not be enough to save Quebec City, the Blood Kind, and the Houses of the Dead.
Author: Kamil Kahveci Publisher: Nova Science Pub Incorporated ISBN: 9781604562316 Category : Cooking Languages : en Pages : 205
Book Description
Drying has been one of the most important techniques used in food preservation for long years. The drying process has to be performed considering energy economy and the quality standards for the product. Therefore, it is of great importance to understand the physical phenomena taking place in the drying processes which is the subject of this book.
Author: V.P. Singh Publisher: Springer Science & Business Media ISBN: 9401103933 Category : Science Languages : en Pages : 284
Book Description
Water is vital to life, maintenance of ecological balance, economic development, and sustenance of civilization. Planning and management of water resources and its optimal use are a matter of urgency for most countries of the world, and even more so for India with a huge population. Growing population and expanding economic activities exert increasing demands on water for varied needs--domestic, industrial, agricultural, power generation, navigation, recreation, etc. In India, agriculture is the highest user of water. The past three decades have witnessed numerous advances as well as have presented intriguing challenges and exciting opportunities in hydrology and water resources. Compounding them has been the growing environmental consciousness. Nowhere are these challenges more apparent than in India. As we approach the twenty first century, it is entirely fitting to take stock of what has been accomplished and what remains to be accomplished, and what accomplishments are relevant, with particular reference to Indian conditions.
Author: Jonathan D. Phillips Publisher: Elsevier ISBN: 0128232498 Category : Science Languages : en Pages : 358
Book Description
Landscape Evolution: Landforms, Ecosystems and Soils asks us to think holistically, to look for the interactions between the Earth's component surface systems, to consider how universal laws and historical and geographical contingency work together, and to ponder the implications of nonlinear dynamics in landscapes, ecosystems, and soils. Development, evolution, landforms, topography, soils, ecosystems, and hydrological systems are inextricably intertwined. While empirical studies increasingly incorporate these interactions, theories and conceptual frameworks addressing landforms, soils, and ecosystems are pursued largely independently. This is partly due to different academic disciplines, traditions, and lexicons involved, and partly due to the disparate time scales sometimes encountered. Landscape Evolution explicitly synthesizes and integrates these theories and threads of inquiry, arguing that all are guided by a general principle of efficiency selection. A key theme is that evolutionary trends are probabilistic, emergent outcomes of efficiency selection rather than purported goal functions. This interdisciplinary reference will be useful for academic and research scientists across the Earth sciences. - Serves as a primary theoretical resource on landscape evolution, Earth surface system development, and environmental responses to climate and land use change - Incorporates key ideas on geomorphic, soil, hydrologic, and ecosystem evolution and responses in a single book - Includes case studies to provide real-world examples of evolving landscapes
Author: Camilo Andrés Cáceres Tocora
Author: Camilo Andrés Cáceres Tocora
Author: Sukhada Mohandas
Author: Piet Lens
Author: Khalid Rehman Hakeem
Author: United States. Office of Foreign Agricultural Relations
Author: Janeen Ippolito
Author: Kamil Kahveci
Author: V.P. Singh
Author: United States Environmental Protection Agency (EPA)
Author: Jonathan D. Phillips