Page 1 of 7 introduction to remote sensing gis40355034, fall 2009 instructor. Radar is an example of active remote sensing where the time delay between emission and return is measured, establishing the location, height. Fundamentals of remote sensing university of novi sad. Remote sensing meaning, scope, objectives, advantages remote sensing carries many different connotations to different individuals, ranging from photography to large satellite platforms. Remote sensing data acquisition, platforms and sensor. For a gis user, higher fidelity data spatial and spectral collected by remote sensing platforms promotes the utility of imagery from basic contextual backdrops to new sources of rich geographic information from which to create foundational data layers. The reactor complex is the green rectangular area located just to the left of the black cooling pond. Remote sensing introduction to image classification. Passive remote sensing depends on a natural source to provide energy. Remote sensing gathering data without direct contact. This is exemplified by the use of imaging systems where the following seven elements are involved. Note, however that remote sensing also involves the sensing of emitted energy and the use of nonemitted sensors. Remote sensing and geographical information system gis dr. Remote sensing is the art and science of recording, frequency, and analyzing information about an aspect from a distance.
This is done by sensing and recording reflected or emitted energy and processing, analyzing, and applying that information. Pdf on jan 1, 2009, tempfli and others published principles of remote sensing. Spectral signatures are the characteristic curves associated with different surfaces including types of vegetation that show the extent to which emr of a particular wavelength is reflected. Active remote sensing can be carried out during day and night and in all weather conditions. Remote sensing measurements represented as a series of digital numbers the larger this number, the higher the radiometric resolution, and the sharper the imagery spectral bands and resolution for various sensors cimss. Csisa was established in 2009 to promote durable change at scale in south asias cerealbased cropping systems. Remote sensing is a method of obtaining information about the properties of an object without coming into physical contact with it. The second part highlights some areas where rs and gis are applicable in climate change analysis and adaptation. On the other hand remotely sensed data from environ mental missions such as noaapoes and ersi have also been widely used for resources applications. The presentation is about the basics of remote sensing.
In active remote sensing, a person can control the nature wavelength, power, duration of the energy source. Ppt introduction to remote sensing powerpoint presentation. Department of applied sciences university of technology. Electromagnetic radiation emr and its application in. Operating in rural innovation hubs in bangladesh, india and nepal. Basics of remote sensing for agricultural applications introduction when farmers or ranchers observe their fields or pastures to assess their condition without physically touching them, it is a form of remote sensing. Ppt history of remote sensing powerpoint presentation. Radiometric color depth spatial resolution describes how much detail in a photographic image is visible to the human eye.
This guideline explores some of the basic analysis options for agricultural applications of remote sensing data. The satellite sensor in this case records primarily the radiation that is reflected from the target. Each day we are provided many frames of remote sensing information through our eyes, which we use to make visual assessments of an object. Find, read and cite all the research you need on researchgate. Pdf this paper briefly describes the status of shrimp culture development in india, discusses its ecological and socioeconomic impacts and.
Observing the colors of leaves or the overall appearances of plants can. Whereas the albedo tells you the proportion of total radiation that is reflected, the spectral signature tells us which wavelengths are either absorbed a trough in the spectral signature or reflected a. Remote sensing is an innovative technique, useful and economical for applications in the hydrocarbon industry. This course examines how the modern concepts, technologies and methods in remote sensing can be effectively used to solve urban problems relevant to a wide range of topics extending beyond urban feature extraction into areas of urban socioeconomic and environmental analyses. Remote sensing is defined as the science and technology by which characteristics of objects of interest can be identified without direct contact concept of remote sensing earth observation from space and air remote sensing is a technology to observe objects size, shape and character without direct contact with them. Electromagnetic radiation emr and its application in remote. Remote sensing and geographical information system gis. In much of remote sensing, the process involves an interaction between incident radiation and the targets of interest.
Remote sensing can be defined as any process whereby. Analog image processing analog image processing refers to the alteration of image through electrical means. Ppt lecture delivered on applications of gis and remote. Remote sensing ppt remote sensing infrared free 30day. The former will use highresolution remote sensing imagery at transit tdm facil. A presentation on remote sensing by aswathy babu paul. Basics of remote sensing for agricultural applications. Resolution the clarity or amount of data stored in a pixel.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Asia is based on brackish water salinity of 1525 ppt. A short introduction to microwave remote sensing of the. Remote sensing active lidar radar passive optical air. Identification of remote sensing technologies 42 3. Observing the colors of leaves or the overall appearances of plants can determine the plants condition. There are many emerging technologies that will change the practice of diabetes management. Scribd is the worlds largest social reading and publishing site.
The socalled aerial photo emerged in the 1840s with pictures taken from balloons. Visual remote sensing system the human visual system is an example of a remote sensing system in the general sense. The presentation talks about its need and who uses remote sensing. Estimating the coverage of coral reef benthic communities. Satellite imagery and remote sensing unc institute for the. Pixelpicture element or the size of the digital block of information. Principles of remote sensingan introductory textbook.
Images from us and french remote sensing satellites monitored the activity at the site. The who, what and when for improving control jodi strong, dnp, cde, bcadm, cpt saturday, february 18, 2017 9. Associate professor, aditi mahavidyalaya, university of delhi. The sensors in this example are the two types of photosensitive cells, known as the cones and the rods, at the retina of the eyes.
Remote sensing meaning, scope, objectives, advantages. This beam of light hits the earth and is reflected back to the sensor, which records the time it took for the beam of light to return. Remote sensing is the science of acquiring information about the earths surface without actually being in contact with it. Fundamentals of remote sensing and its applications in gis. The ready availability and successes of remote sensing make it a particularly valuable technology for the petroleum industry. The disadvantages are low coverage area and high cost per unit area of ground coverage. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Once remote sensing data have been collected, the user must interpret the data to derive the information needed to. Interferogram processed from two ers images, acquired at two years interval. Principles of remote sensing is written to be primarily used as textbook for the in troductory module on earth. Lecture delivered on applications of gis and remote sensing.
The use of remote sensing imagery to monitor emergency. It is not costeffective to map a large area using an airborne remote sensing system. Remote sensing as a technology can be said to have started with the appearance of the first photographs. Introduction, basic concepts of remote sensing, airborne and spaceborne sensors, passive and active remote sensing. Pdf applications of remote sensing and gis for sustainable. For a gis user, higher fidelity data spatial and spectral collected by remote sensing platforms promotes the utility of imagery from basic contextual backdrops to new sources of rich geographic information from which to. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Process of remote sensing pdf because of the extreme importance of remote sensing as a data input to gis, it has. Applications range from exploration, development and production to distribution feder and vixo, 1987. For example the satellite itself can send a pulse of energy which can interact with the target. Issues considered are snowglacier monitoring, land cover monitoring, carbon traceaccounting. The ability to resolve, or separate, small details is one way of. One observe a subsidence of about 6 cm 2 fringes which.
Nowadays the field of remote sensing and gis has become exciting and glamorous with rapidly expanding opportunities. Remote sensing data acquisition, platforms and sensor requirements 211 dynalnics on a regional basis. Digitalglobe proprietary and business confidential. Remote sensing ppt remote sensing infrared free 30.
Spectral reflectance and earth surface interaction. Methods of image processing there are two methods available in image processing. For each option, you need to write a short proposal, survey literature or conduct research, present the findings to the entire class, and write a final report. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Satellite imagery and remote sensing unc institute for. Introduction to basic gis and spatial analysis using qgis. Times new roman arial black tahoma monotype sorts arial symbol contemporary portrait. Urban sensing 7 citizen sensing in the smart and sustainable city.
Some of the details of these missions are listed in table 4. Thanks for visiting this webpage about remote sensing ppt. September 3, 2007 lecture d1la1 introduction to sar remote sensing thuy le toan impact of a geothermal plant on the environment. From a plethora of definitions, rs is defined in this study according to janssen 2004 as the process of. Remote sensing seminar ppt with pdf report study mafia. Satellite in this case, a manmade machine orbiting the earth that collects reflected radiation from the earths surface. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Gis and remote sensing university of texas at austin. Introduction to satellite remote sensing for air quality. Resolutions of remote sensing environmental data center. Pollution sensing 4 sensing climate change and expressing environmental citizenship 111 5 sensing oceans and geospeculating with a garbage patch 7 6 sensing air and creaturing data 157 part iii. Introduction to sar remote sensing earth online esa. Manual interpretation and analysis dates back to the early beginnings of remote.
For example sun is the most powerful and commonly used source of energy for passive remote sensing. By the first world war, cameras mounted on airplanes provided aerial views of fairly large surface areas that proved invaluable. Deputy director, national remote sensing agency, hyderabad, india. An advantage of airborne remote sensing, compared to satellite remote sensing, is the capability of offering very high spatial resolution images 20 cm or less. Fundamentals of remote sensingfundamentals of remote sensing pranjit kr sarma ph dpranjit kr. Remote sensing ppt free download as powerpoint presentation. Remote sensing is a technique to observe the earth surface or the atmosphere from out of space using satellites space borne or from the air using aircrafts airborne. Operational remote sensing weight 975 kg onboard power 600 watts communicat ion sband, xbandandvhf commanding only stabilization three axis body stabilized zero momentum with4 reactions wheels, magnetic torquers rcs monopropellan htydrazine based with sixteen 1 thrusters payload three solid state push broom cameras. Information about remote sensing ppt and its related keywords like flash ppt to presentation microsoft in converter themes animated 2011 how free download 2012 templates backgrounds slides pdf.
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