earthplatform.com

Results 1 - 10 from 670 for sound level in 0.409 sec.

MMCG Projects and Experience
California for NOAA Fisheries; • Ongoing participation in coastwide study of endangered blue and humpback whales for NOAA Fisheries. << Back to Top Space Launches • Sound level monitoring at seal and sea lion rookery, San Miguel Island, of satellite launch from Vandenberg Air Force Base, California, by Lockheed; • Marine mammal monitoring and acoustic sound ...
www.mmcg.net

OMI's Dr. Green Talks in Berlin
A ship sends out a loud low frequency signal which bounces back off of the submarine. The sound level of LFAS at the vessel is about 240 decibels which is equivalent in air to standing ... seismic air guns have been implicated. The adverse impacts of LFAS extend beyond marine mammals. Low frequency sound, including sonar, has the potential to injure and kill a wide variety of fish at intensities well ...
www.oceanmammalinst.org

GIAA SOUNDS SOLUTIONS: Measuring Aircraft Noise
The volume is averaged over the 24 hours of the day to arrive at what is called the Equivalent Sound Level (Leq). When the buckets collected during the nighttime hours are multiplied by ten (10) as a penalty (because people are more sensitive to sound at night) and then the volume is averaged, we arrive at the Average Day-Night Sound Level, or DNL. ...
www.pcrguam.com

GIAA SOUNDS SOLUTIONS: NEMs - Noise Exposure Map
FAA specified computer model called the Integrated Noise Model, or INM. The Day-Night Average Sound Level (DNL) contours represent an average day of aircraft operations at the Airport. The INM develops ... Airport, these maps show where aircraft noise occurs in and around the Airport and at what sound level. NEMs are developed using a specialized computer model developed by the FAA known as the ...
www.pcrguam.com More from this site

A Quick Expalantion of the term "decibel"
A Quick Expalantion of the term "decibel" What is a Decibel? We may all be familiar with the term decibel as it applies to sound level, but what does it really mean? And what does it have to do with EMFs? Decibel is not really a unit of measurement. Rather, it is a way to describe the ratio of one intensity measurement to another. Expressing ...
lessemf.com

Mono Lake Committee's Defender of the Trust Award
State Water Resources Control Boards decision that ordered DWP to re-water Mono Basin streams and wetlands for fish and wildlife and raise the lake level to an ecologically sound level. Fortunately for Mono Lake, the Citys decision was to accept the Water Board order. 2004, Dennis Tito - Dennis Tito, ...
monolake.org

Central HVAC
The sound level of outdoor units is measured in bels (a term similar to decibels). The rating scale goes ... s HVAC Systems Central Air Conditioning How They Work Types of Systems Rating a Unit's Efficiency Sound Levels Find Out More... Heating and Cooling Ceiling Fans Central HVAC Ducts and Vents Evaporative Coolers ...
consumerenergycenter.org

PSGP: Puget Sound Environmental Organizations
On exciting voyages aboard the historic schooner Adventuress, participants learn about the majesty and vulnerability of our region's definitive resource, Puget Sound. SPEECH (South Puget Environmental Education Clearinghouse) and issues. The Evergreen State College: Environmental Studies Programs TESC offers evening/weekend classes through the Part-Time Studies program as ...
www.greenwest.net

Regional Level Activities of Siberian Crane Wetland Project SCWP | Eastern and Western Flyways
Plans; conducting regional targeted research on technologies such as satellite telemetry and voice-printing; delivering regional training activities on topics such as data management to ensure sound collection, maintenance and sharing of information across flyways; and developing mechanisms for cross-country education and information exchanges. The selection of project sites covers the main ...
www.scwp.info

Level News, August 2008
Contents Five International Upper Great Lakes Study Public Meetings Scheduled during Early August Great Lakes Water Level Information July Precipitation July Outflows Water Levels for the Great Lakes and Montreal Harbour ... a monthly ... August 12, 2-4 p.m. Royal Canadian Legion Hall 490 Ontario Street Collingwood, ON Owen Sound August 12, 7-9 p.m. Bayshore Community Centre 1900 3rd Avenue E. Owen ...
www.on.ec.gc.ca