A famous study on reflective practice in an elearning environment revealed three main types of reflection triggers that can be introduced to encourage reflective practice. These seminarswere given by different offisland universities like north carolina, tuff university, michiganstate and many more. The reflection process suggested by johns 20 ends with a learning phase that aims at understanding the effects of the experience and how it reflects on practice. Reflection frequencies decrease with depth because of. Ji denotes matrices related to bessel functions of the. Seismic reflection methods environmental geophysics us epa. This reflection trigger encourages elearners to compare their course performance with a. A ray box directing a narrow beam of light towards to mirror will reflect the light off it. Im particularly interested in environmental education and ways we can teach children to appreciate the natural world around them. Although there are numerous reflective frameworks, none of them should be used as a rigid tool which asks questions that need to be answered.
As educators, we know how critical reflection is to the learning process. Type method allows you to write code that assigns specific types to the type parameters of a generic method definition, thus creating a methodinfo object that represents a particular constructed method. Reflection and assessment california state university. Reflection with symbols 69 kolb learning cycle 70 mood and lessons learned meter 72 mind map 73 preface 6 introduction 11 1 reflective learning 12 2 learning concepts, theories and models 16 3 facilitation 26 4 reflection methods 36. Data section includes provided graphic with incident and reflected rays for several paths at least two. E r e i i0 the square root of the above relationship is called reflection coefficient, r. Reflection learning development, plymouth university 2010 here is an example of reflectiononaction in the discipline of social work. Reflection is often done as writing, possibly because this allows us to probe our reflections and develop them more thoughtfully. The personal nature of reflection and the fact that it is sometimes used as an assessment method for learning can. Tried and true teaching methods to enhance students. Reflection objects are used for obtaining type information at runtime. Guidance is needed to help students link personal learning with course content. Seismic refraction was the first technique used in oil exploration. Common reflection surface stack, new method in seismic reflection data processing.
Vibroseis being used as a source shows points vp199 to vp1044. Seminar reflection during this semester the rise students had to attend different seminars. Reflection is one of the most important components in any servicelearning class. You may find it particularly difficult to either acknowledge the positive for example, something that you feel you did very well or the negative for example, something that. In case of i0, the ratio of the reflected energy of pwave, e r, to the incident energy, e i, is given by. Practical guide for trainers and facilitators, talks about idea behind the book and how you can best appl. This method is called the common reflection point, common midpoint, or common depth point cdp method. The seismic reflection method is a powerful geophysical exploration method that has been in widespread use in the petroleum industry for more than 60 years. Fish seek cooler waters, leaving some fishermens nets empty link.
Reflection requires selfawareness and analysis schutz et al, 2004, thus it is a skill that needs to be acquired, developed and maintained. Reflection method an overview sciencedirect topics. Pdf common reflection surface stack, new method in. The basic principle of the seismic reflection technique application is to measure the time taken for a seismic wave that travels from a source down into the ground where it is reflected back to the surface where it can be detected by a receiver geophone. It states that the angle of incidence is equal to the angle of reflection. Reflection questions at the beginning of the course 1. Reflection and refraction 17 be scattered away from its original direction figure 2. In refraction seismology, seismic waves are recorded that propagate along layer boundaries or as arcuate diving waves mainly subhorizontally.
An important characteristic of reflective practice rather than reflection is the fact that it is captured and expressed in some form usually written, spoken or pictorial on a systematic basis. Seismic reflection methods applied to engineering, environmental. The finished product may be completed in a variety of ways. Rapid reflective facet characterization using fringe. The measured time is known as the two way time twt. Literally hundreds of papers cover various aspects of this topic. Lindsay campbell, erika svendsen, nancy falxaraymond, and gillian baine. The seismicreflection method, a powerful geophysical exploration technique that has been in widespread use in the petroleum industry for more than 60 years. This scattering is caused by the interaction of light with small particles, even atoms or molecules, within the material.
Containsgenericparameters property of this methodinfo object returns. The purpose of this analysis is to provide you with the opportunity to critically examine your experience and connect it to the learning objectives of the primary course. Yet still, we know that we will miss activities and practices that occur in different. International and multidisciplinary p erspectives, 12. This gives you the chance to build on your strengths and develop strategies to minimize your weaknesses. There the incident initial ray strikes the mirror, a normal line needs to be drawn the normal line is a perpendicular line to the mirror. This is because learning comes not only from the in the head reflection but from the process of representing. Other types of reflection might be performed as the need arises, or in response to particular events. Ash and clayton 2004 ash and clayton describe a guided process for facilitating and assessing reflection. Reflection is used as a methodology for research in the library literature. This guide summarises methods that can be used to facilitate the process of reflection on the knowledge and experiences people acquire during a capacity development trajectory or learning process of an msps. The focused conversation method the following framework outlines the focused conversation method created by ica associates, inc. The classes that give access to the metadata of a running program are in the system. The great benefit of including reflection in your learning is that by understanding why you do something in a particular way and recognizing how you feel about it, you can spot where your strengths and weaknesses lie.
The angle between the normal and the incident ray can then be measured using a protractor. Application of the seismic reflection method in mineral. If all receiver locations are used as shot points, the multiplicity of data on one subsurface point called cdp fold is equal to onehalf of the number of recording channels. However, it can also take the form of a conversation with a critical friend, tutor or mentor. Reflection in logic, functional and objectoriented programming. It is often considered the key ingredient that transforms community service into servicelearning. Since 1980, it has been increasingly used in applications shallower than 30 m, and that is the principal subject of this paper. I have found that both my middle school and high school students will often scoff. Sources and geophones are essentially the same as those used in refraction methods. You can use reflection to dynamically create an instance of a type, bind the type to an existing object, or get the type from an existing object and invoke its methods or access its fields and properties. Each lazymethod can be called with zero or more arguments, internally invoking the method on the object on which.
You mi ght reflect on the weekly tutorial readings, or after experiencing a difficult assignment. Common features there are numerous models and methods to support reflection but they all consider these four key stages of the process based upon kolbs experiential learning model 1. Reflectiononaction reflecting on academic or professional practice in this way may make your personal beliefs, expectations and biases more evident to you. Getting students to reflect deeply and meaningfully is often one of the most challenging lessons we teach.
Resolution is the ability to discern two closely spaced reflectors at depth. In paper iii the deeper structures of the parvie fault system in northern sweden were revealed down to about 8 km through 2d seismic reflection profiling. Method or maybe methodology and would more than likely have a section that examines the methodologies available for use in a particular discipline and then describe the method undertaken to collect the research data. Example reflection using the 4rs of reflection model. In the first case, the reflected beam preserves the spectral features of the incident light to a certain extent. We believe that by explicitly integrating reflection in the learning process the learning will become clearer and better articulated and will contribute more strongly to meaningful change.
John 1995 used seminal work by carper 1978 as the basis for his model exploring aesthetics, personal knowing, ethics and empirics and then encouraging the reflective practitioner to. Reflectionrefraction multiple choice identify the letter of the choice that best completes the statement or answers the question. A comparative analysis of reflection and selfassessment melissa desjarlais1, peter smith2 abstract reflection is a personal process that can deepen ones understanding of self and can lead to significant discoveries or insights, while. This approach inspired much work in the functional pro gramming community until the late 80s, probably because reflection was growing in a fertile ground. In the identification phase, researchers worked with the ibs research department to identify a large. The fringe reflection or deflectometry systems use phaseshifted fringe patterns on a target, and view a reflection of that target in the mirror, in order to map each camera pixel image of the mirror to a specific location on the target. This method is also known as the objective, reflective, interpretive, and. The experience or activity that will provide the learning opportunity, e. Johns model of reflection johns model is based on five cue questions which enable you to break down your experience and reflect on the process and outcomes. This law is utilized in the seismic reflection method.
Top tips for reflective practice and reflective writing. Common examples are reflection of light, as shown in figure 21, as well as reflection of. The fkmigrated filtered stacked section is along line 904mwi12b. The scattered light goes off in many different directions, and may be scattered again and again before it is finally absorbed. Other articles where seismic reflection method is discussed. Stage students reflective writing language features report. Takes into account context in which events occur, questions assumptions, considers alternatives, thinks about consequences of decisionsactions on others, and engages in reflective skepticism. Reflection occurs when a wave hits the interface between two dissimilar media, so that all of or at least part of the wave front returns into the medium from which it originated.
Seismic resolution is controlled by the bandwidth of the signal, which is typically f30140 hz. Reflection lab included, labeled and organized all parts of the lab report. Seismic reflection surveying is the most w idely used geophysical technique. A comparative analysis of reflection and selfassessment. The seismic method makes use of the properties of the velocity of sound. Basic principles of the seismic method tu delft ocw. The line extends 81 km approximately in the nnfssw direction. Reflection namespace contains classes that allow you to obtain information about the application and to dynamically add types, values, and objects to the. Some students are hesitant to open up and be really honest about their experiences. I have chosen to call this one reflections on the research process. The dichromatic reflection model proposed in 16 is based on this theory, in other words, that any inhomogeneous dielectric material, uniformly colored and dull, reflects light either by surface or by body reflection. The collection, design, redesign and description of the reflection methods were carried out for the market access for sustainable development regular course in 2009, 2010.