The template can also be used for other purposes for example for sap powerpoint presentations as well as other cloud business presentations including cloud security template or cloud computing business. An upper basin perspective on winter cloud seeding. The cloud seeding act of 1973 gave authority to the utah division of water resources to oversee state cloud seeding projects. Download free clouds powerpoint templates that provide a decent background, and can be used as a default background for slides free clouds ppt templates can be used for a relaxing travel plan, weather analysis, or technology. Karnataka launches cloudseeding to increase rainfall, how. Cloud seeding cloud seeding provides mother nature with ice nuclei but, it is only effective when ice nuclei are limiting and nature is performing the other required precipitation processes cloud seeding doesnt create clouds to seed it will not cure a drought. Experience of cloud seeding operations for mitigation of drought. Precipitation formation from orographic cloud seeding pnas. Pick your own free resource every week with our newsletter. Precipitation falling down from the cloud as observed by the radar 6 max. Seeding in santa barbara county is accomplished by using a combination of ground based sites and at times aircraft. In the simplest terms, it introduces other particles into a cloud to serve as cloud condensation nuclei and aid in the formation of precipitation. Here, the full chain of events from ice initiation through crystal growth and fallout of snow has been documented. Economic impacts of cloud seeding on agricultural crops in.
Hygroscopic cloud seeding uses salts instead of silver iodide or dry ice and is the preferred form of cloud seeding in more tropical climates. Cloud seeding is quite expensive, though potentially cheaper than other projects, like diverting rivers, building new canals or improving irrigation systems. Cloudcomputingpptpresentationfreedownload authorstream. Learn about cloud seeding with this handy information powerpoint discussing. Ppt weather modification powerpoint presentation free. Express ideas regarding your new it venture with free clouds ppt templates. Cloud computing free powerpoint presentation at slidesfinder a worldclass collection of free presentations in powerpoint format for students, teachers and marketing professionals alike. On june 12, 20 january 12, 2015 by wildcard in cloud seeding. The fact that cloud experimentation has been ongoing since the mid 40s without any scientific consensus should speak to the complexity of the processes involved.
During the winter, there is supercooled water floating in the atmosphere and by adding. Cloud seeding is a complicated endeavor, but in essence, it introduces new cloud condensation nuclei into clouds. Free download cloud computing powerpoint presentation. A method of artificial rainmaking by scattering silver iodide or other finely divided particles into clouds to serve as nuclei for raindrops. Background by the year 2025 two thirds of the world population will live under severe water stress conditions as determined by studies of the world meteorological organization wmo the rapid growth of agricultural and industrial sector along with the population explosion makes. The sm krishna government in 20032004 was the first ruling government in the state to attempt cloudseeding, named project varuna for over 80 days at a budget of rs.
Cloudcomputingpptpresentationfreedownload authorstream presentation. Cloud seeding definition of cloud seeding by the free. How does this resource excite and engage childrens learning. Cloud computing powerpoint template free presentation ppt theme. Cloud computing powerpoint template is a free light and clean powerpoint background for presentations about cloud computing including amazon products or other cloud computing services. Post jobs, find pros, and collaborate commissionfree in our professional marketplace. Cloud seeding, an outdoor plaza pavilion for the design museum holon in holon, israel. The use of neural network in determining the ideality of day for cloud seeding by cuesta, yvanne christine r. The atmospheric conditions, in terms of humidity, etc. Utah has been cloud seeding since the early 1950s to help augment the states water supply. Oct 26, 2010 cloud seeding cloud seeding provides mother nature with ice nuclei but, it is only effective when ice nuclei are limiting and nature is performing the other required precipitation processes cloud seeding doesnt create clouds to seed it will not cure a drought. Experience of cloud seeding operations for mitigation of drought conditions in telangana and rayalaseema centre for water resources institute of science and technology jawaharlal nehru technological university e mail.
The usual intent is to increase precipitation rain or snow, but hail and fog suppression are also widely practised in. Cloud seeding cloud seeding is one of the many ways we work to sustain current snake river flows while pursuing costeffective opportunities to increase flows and maximize hydroelectric generation. Its estimated that cloud seeding can increase a clouds rain supply by 10 to 15 percent. Then again, the allure of cloud seeding may redirect attention and funding from other projects that could be more promising. Artificial rain or cloud seeding is a process of weather modification depending on scientific technology that can improve cloud precipitation rainfall that aims to increase water availability worldwide. These observations are critical to our understanding of how cloud seeding works and. Check these powerpoint demonstrations including cloud computing ppt presentation to use these for demonstrations in your acedemic, business and research settings. The image of the cloud is of a churning mass of all of the lightluminance that the system has gathered from all of the viewers who have stood before the camera, keeping all of the light traces in memory a local database for a period of a single screening to several years, even ad infinitum. Themes include cloud computing and clouds powerpoint. A lesson looking at what cloud seeding is and if it is ethical. A free powerpoint ppt presentation displayed as a flash slide show on id.
Cloud seeding, deliberate introduction into clouds of various substances that act as condensation nuclei or ice nuclei in an attempt to induce precipitation. The template can also be used for other purposes for example for sap powerpoint presentations as well as other cloud business presentations including cloud security template or cloud computing business model. Free clouds ppt templates can be used for a relaxing travel plan, weather analysis, or technology. Cloud computing powerpoint template free presentation. Sb county public works water resources cloud seeding. A technique of stimulating or enhancing precipitation by distributing dry ice crystals or silver iodide particles over developing storm clouds in a. Ppt cloud seeding powerpoint presentation, free download. The use of neural network in determining the ideality of day for cloud seedingbycuesta, yvanne christine r. The science of cloud seeding powerpoint ppt presentation.
Cloud computing ppt presentation free download authorstream presentation. Its a rebranding of the internet, says reuven cohen, cofounder of cloud camp. Check these powerpoint demonstrations including cloud computing ppt presentation to use these for. A cloud seeding system comprising a solid propellant rocket motor boosted vehicle and means for launching the vehicle for transporting cloud seeding material to clouds for increasing precipitation andor suppressing hail growth. View and download slidesfinders cloud computing powerpoint presentation for free slide decks in powerpoint.
Learn about cloud seeding with this handy information powerpoint discussing the steps taken to make it rain in the gulf. The vehicle comprises a pyrotechnical booster element and a seeding material carrier or dart element, automatically separable from each other, the booster element. Dec 11, 2009 drought turns governments to cloud seeding. Basic cloud seeding concepts crop dusterturned cloud seeder disperses salt powder milled to 2 to 5 microns for optimal hygroscopic seeding over the galilee in northern israel. Cloud seeding is a weather modification technique which involves the introduction of a seeding agent into suitable clouds to encourage the formation and growth of ice crystals or raindrops, in turn enhancing the amount of precipitation falling from the cloud. Ppt the science of cloud seeding powerpoint presentation. To give you an idea of what cloud seeding projects look like, here are some of the 14 u. Ppt the science of cloud seeding powerpoint presentation free to download id. A brief history and an introduction to the science. Usually these salts are sodium, lithium, or potassium salts and they lead to larger drops than silver iodide. Cloud seeding, or weather modification, is the application of scientific technology to enhance a clouds ability to produce precipitation. The most common chemicals used for cloud seeding are silver iodide and dry. Download free clouds powerpoint templates that provide a decent background, and can be used as a default background for slides. Is it ethical for humans to interfere in the earths weather systems.
For centuries it was thought that this was the role of wind in pollination but now we know that this is the role of wind in cloud seeding. Cloud seeding, often called weather modification, is a scientific process intended to enhance rain and snow, reduce hail damage, and alleviate fog. You can use the cloud computing powerpoint template with clouds and blue sky to make presentations on big data and cloud computing. The science of cloud seeding students seminar series th october 2003. Humans interfering with mother nature to bring us more of the good stuff. Cloud seeding a boost to rainfall over uae the national.
Seeding in santa barbara county is accomplished by using a. Cloud seeding is a way to enhance the amount of precipitation that falls from the clouds and helps generate 10 to 30 per cent more rain. California is now trying cloud seeding to beat the drought. After learning about cloud seeding, the topic could then be opened to debate. The worlds longest standing private weather modification company. Israel has conducted extensive research and taken part in substantial cloud seeding programs since the early 1970s in order to increase the little rainfall that finds its way to the country from the mediterranean sea. Pdf targeting seedable clouds with silver iodide in complex terrain. Drought turns governments to cloud seeding cbs news. Ppt the science of cloud seeding powerpoint presentation, free. Economic impacts of cloud seeding on agricultural crops in north dakota report prepared for the north dakota atmospheric resource board by dean bangsund and f. Ppt weather modification powerpoint presentation free to.
For a while, there was growing hope that weather modification in the form of cloud seeding could provide more water for the edwards aquifer and. Ppt the science of cloud seeding powerpoint presentation free. Hence, cloud seeding typically benefits both peterand. Aircraftmounted seeding generator burns in place nawc cloud seeding aircraft. This is evidence of shortsightedness, in the long term it became a. Illinois wasnt the only part of the world that was looking at weather modification, particularly cloud seeding, in 1975. G roundbased seeders shoot silver iodide into winter clouds where it helps form ice crystals. Pdf assessment of groundbased and aerial cloud seeding. The static mode of cloud seeding tries to optimize the concentration of ice crystals in clouds.
Cloud seeding a type of weather modification treatment used to increase precipitation to provide water on dams and agricultural fields during drought seasons. The large and mesoscale dynamics determining the characteristics of the cloud systems down to the small scale microphysics determining the nucleation and growth characteristics of water droplets and ice particles all form part of the chain of events of precipitation development. Cloud computing free powerpoint presentation at slidesfinder. Discussion activity and picture board are the main parts of the lesson.
While cloud seeding is proven to work, theres a caveat. Jun 12, 20 the last form of cloud seeding im going to mention today is called hygroscopic cloud seeding. Operational cloud seeding continues in nearly a dozen western states, despite a lack of any strong physical evidence supporting its effectiveness. Cloud seeding article about cloud seeding by the free. Cloud seeding operations and atmospheric research soar. Extra area effects of cloud seeding an updated assessment article in atmospheric research s 56. Manton 2011 showed background ag with a range of 5 to 10 ppt as. Cloud seeding is a type of weather modification that aims to change the amount or type of precipitation that falls from clouds by dispersing substances into the air that serve as cloud condensation or ice nuclei, which alter the microphysical processes within the cloud.
1043 108 1324 1481 905 1187 1430 1373 588 1602 1070 276 178 80 445 708 897 1505 99 1251 1502 1288 625 397 828 452 862 280 1019 278 732 452 1592 1401 363 1352 97 1209 1055 966 851 576 460 831 1387