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John Graham Shepherd
John Graham Shepherd (born 1946) CBE FRS is a British Earth system scientist, Emeritus Professor at University of Southampton, and a former director of the National Oceanography Centre, Southampton. He has worked on a wide range of environment-related topics, including the transport of chemical tracers in the atmospheric boundary layer and in the deep ocean, the management of marine fish stocks, and the dynamics of the Earth system. More recently he led a comprehensive review of geoengineering for the Royal Society. Early life and education Shepherd was born in 1946 in Croydon in south London, and attended Dr Challoner's Grammar School, a grammar school in Amersham, Buckinghamshire. He studied Natural Sciences at Pembroke College, Cambridge, initially taking physics, mathematics, chemistry and crystallography before specialising and graduating in theoretical physics in 1967. He remained at Cambridge for doctoral studies in the Cavendish Laboratory supervised by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Croydon
Croydon is a large town in south London, England, south of Charing Cross. Part of the London Borough of Croydon, a local government district of Greater London. It is one of the largest commercial districts in Greater London, with an extensive shopping district and night-time economy. The entire town had a population of 192,064 as of 2011, whilst the wider borough had a population of 384,837. Historically an ancient parish in the Wallington hundred of Surrey, at the time of the Norman conquest of England Croydon had a church, a mill, and around 365 inhabitants, as recorded in the Domesday Book of 1086. Croydon expanded in the Middle Ages as a market town and a centre for charcoal production, leather tanning and brewing. The Surrey Iron Railway from Croydon to Wandsworth opened in 1803 and was an early public railway. Later 19th century railway building facilitated Croydon's growth as a commuter town for London. By the early 20th century, Croydon was an important industria ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abyssal Zone
The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. "Abyss" derives from the Greek word , meaning bottomless. At depths of , this zone remains in perpetual darkness. It covers 83% of the total area of the ocean and 60% of Earth's surface. The abyssal zone has temperatures around through the large majority of its mass. Due to there being no light, there are no plants producing oxygen, which instead primarily comes from ice that had melted long ago from the polar regions. The water along the seafloor of this zone is actually devoid of oxygen, resulting in a death trap for organisms unable to quickly return to the oxygen-enriched water above. This region also contains a much higher concentration of nutrient salts, like nitrogen, phosphorus, and silica, due to the large amount of dead organic material that drifts down from the above ocean zones and decomposes. The water pressure can reach up to 76 megapascal. The area below the abyssal zone is the sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crystallography
Crystallography is the experimental science of determining the arrangement of atoms in crystalline solids. Crystallography is a fundamental subject in the fields of materials science and solid-state physics (condensed matter physics). The word "crystallography" is derived from the Greek word κρύσταλλος (''krystallos'') "clear ice, rock-crystal", with its meaning extending to all solids with some degree of transparency, and γράφειν (''graphein'') "to write". In July 2012, the United Nations recognised the importance of the science of crystallography by proclaiming that 2014 would be the International Year of Crystallography. denote a direction vector (in real space). * Coordinates in ''angle brackets'' or ''chevrons'' such as <100> denote a ''family'' of directions which are related by symmetry operations. In the cubic crystal system for example, would mean 00 10 01/nowiki> or the negative of any of those directions. * Miller indices in ''parentheses'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chemistry
Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a Chemical reaction, reaction with other Chemical substance, substances. Chemistry also addresses the nature of chemical bonds in chemical compounds. In the scope of its subject, chemistry occupies an intermediate position between physics and biology. It is sometimes called the central science because it provides a foundation for understanding both Basic research, basic and Applied science, applied scientific disciplines at a fundamental level. For example, chemistry explains aspects of plant growth (botany), the formation of igneous rocks (geology), how atmospheric ozone is formed and how environmental pollutants are degraded (ecology), the properties ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics with the major subdisciplines of number theory, algebra, geometry, and analysis, respectively. There is no general consensus among mathematicians about a common definition for their academic discipline. Most mathematical activity involves the discovery of properties of abstract objects and the use of pure reason to prove them. These objects consist of either abstractions from nature orin modern mathematicsentities that are stipulated to have certain properties, called axioms. A ''proof'' consists of a succession of applications of deductive rules to already established results. These results include previously proved theorems, axioms, andin case of abstraction from naturesome basic properties that are considered true starting points of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physics
Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which relates to the order of nature, or, in other words, to the regular succession of events." Physics is one of the most fundamental scientific disciplines, with its main goal being to understand how the universe behaves. "Physics is one of the most fundamental of the sciences. Scientists of all disciplines use the ideas of physics, including chemists who study the structure of molecules, paleontologists who try to reconstruct how dinosaurs walked, and climatologists who study how human activities affect the atmosphere and oceans. Physics is also the foundation of all engineering and technology. No engineer could design a flat-screen TV, an interplanetary spacecraft, or even a better mousetrap without first understanding the basic laws of physic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pembroke College, Cambridge
Pembroke College (officially "The Master, Fellows and Scholars of the College or Hall of Valence-Mary") is a constituent college of the University of Cambridge, England. The college is the third-oldest college of the university and has over 700 students and fellows. It is one of the university's larger colleges, with buildings from almost every century since its founding, as well as extensive gardens. Its members are termed "Valencians". The college's current master is Chris Smith, Baron Smith of Finsbury. Pembroke has a level of academic performance among the highest of all the Cambridge colleges; in 2013, 2014, 2016, and 2018 Pembroke was placed second in the Tompkins Table. Pembroke contains the first chapel designed by Sir Christopher Wren and is one of only six Cambridge colleges to have educated a British prime minister, in Pembroke's case William Pitt the Younger. The college library, with a Victorian neo-gothic clock tower, has an original copy of the first encyclopaedia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Sciences (Cambridge)
The Natural Sciences Tripos (NST) is the framework within which most of the science at the University of Cambridge is taught. The tripos includes a wide range of Natural Sciences from physics, astronomy, and geoscience, to chemistry and biology, which are taught alongside the history and philosophy of science. The tripos covers several courses which form the University of Cambridge system of Tripos. It is known for its broad range of study in the first year, in which students cannot study just one discipline, but instead must choose three courses in different areas of the natural sciences and one in mathematics. As is traditional at Cambridge, the degree awarded after Part II (three years of study) is a Bachelor of Arts (BA). A Master of Natural Sciences degree (MSci) is available to those who take the optional Part III (one further year). It was started in the 19th Century. Teaching Teaching is carried out by 16 different departments. Subjects offered in Part IA in 2019 are Biol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amersham
Amersham ( ) is a market town and civil parish within the unitary authority of Buckinghamshire, England, in the Chiltern Hills, northwest of central London, from Aylesbury and from High Wycombe. Amersham is part of the London commuter belt. There are two distinct areas: * Old Amersham, set in the valley of the River Misbourne, containing the 13th-century parish church of St Mary's Church, Old Amersham, St. Mary's and several old pubs and coaching inns * Amersham-on-the-Hill, which grew in the early 20th century around , which was served by the Metropolitan Railway, now the Metropolitan line, and the Great Central Railway. Geography Old Amersham occupies the valley floor of the River Misbourne. This is a chalk stream which dries up periodically. The river occupies a valley much larger than it is possible for a river the size of the present River Misbourne to cut, which makes it a misfit stream. The valley floor is at around Ordnance Datum, OD, and the valley top is at aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grammar School
A grammar school is one of several different types of school in the history of education in the United Kingdom and other English-speaking countries, originally a school teaching Latin, but more recently an academically oriented secondary school, differentiated in recent years from less academic secondary modern schools. The main difference is that a grammar school may select pupils based on academic achievement whereas a secondary modern may not. The original purpose of medieval grammar schools was the teaching of Latin. Over time the curriculum was broadened, first to include Ancient Greek, and later English and other European languages, natural sciences, mathematics, history, geography, art and other subjects. In the late Victorian era grammar schools were reorganised to provide secondary education throughout England and Wales; Scotland had developed a different system. Grammar schools of these types were also established in British territories overseas, where they have evolv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dr Challoner's Grammar School
Dr Challoner's Grammar School (also known as DCGS, Challoner's Boys or simply Challoner's) is a selective grammar school for boys, with a co-educational Sixth Form, in Amersham, Buckinghamshire, England. It was given academy status in January 2011. It was founded in 1624 in accordance with the last will and testament of Robert Chaloner. Chaloner, a Doctor of Divinity, was Rector of Amersham from 1576 to his death in 1621. He was also a Canon of St George’s Chapel, Windsor from 1584. History In his will, Robert Chaloner left money to establish a grammar school in Amersham. "… the like sume of twenty pounds yearly out of the said lands at Wavendon I give unto my wellbeloved friend Mr. William Tothill Esquire and Mr William Pennyman Esquire to erect a free gramar schoole in Amersam in the County of Bucks to be established by Deede of Feofment or otherwise as their wisdome can devise The towne and pish allotinge the Churche house for the schoole house or my successor a ten ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Society
The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, recognising excellence in science, supporting outstanding science, providing scientific advice for policy, education and public engagement and fostering international and global co-operation. Founded on 28 November 1660, it was granted a royal charter by King Charles II as The Royal Society and is the oldest continuously existing scientific academy in the world. The society is governed by its Council, which is chaired by the Society's President, according to a set of statutes and standing orders. The members of Council and the President are elected from and by its Fellows, the basic members of the society, who are themselves elected by existing Fellows. , there are about 1,700 fellows, allowed to use the postnominal title FRS (Fellow of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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