GPS observables taken from light-weight GPS buoys more than 80 km from the GPS reference stations have been analysed using different noise models in the parameter estimation process. The time series solution of the GPS buoy positioning have been used to extract values of oceanic variables (sea level, tides and waves) and tropospheric information. These variables are compared with data from mode...

The study investigates the materials of Russian ambassade S. Islen’ev and M. Griazev to court Qizilbash shah Safī, stored in funds State Archive Ancient Acts. archival file is a set documents reflecting process exchange embassies between Tsardom Safavid Empire 1635–1637. aim embassy I. K. was discuss some topical issues bilateral relations such as duties, restitution cases, purchase Iranian nit...

in safavid era, ottoman rulers were interested in science and culture, and there were always iranian physicians, astronomers, scholars, artists and poets in their courts. although there were always wars between most ottoman sultans and the safavid kings, they could not prevent iranian culture from influencing that land. at the same time, artists and scholars went to other countries, including t...

This paper describes the ongoing project on autonomous spilled oil and gas tracking buoy system and application to marine disaster prevention system for 5 years since FY2011 (http://www.naoe.eng.osaka-u.ac.jp/~kato/project/). The objectives of this project are as (1)autonomous tracking and monitoring of spilled plumes of oil and gas from subsea production facilities by an underwater buoy robot,...

This paper reports the design of a low-cost inertial wave sensor (IWS) for installation on coastal environmental monitoring buoys. The University of Michigan‘s Ocean Engineering Laboratory design integrates a Rabbit RCM3600 embedded controller with a Honeywell accelerometer to measure buoy accelerations and estimate directional and non-directional wave spectral information. Information is outpu...

This paper reports the design and implementation of a low-cost inertial wave sensor (IWS) for installation on coastal environmental monitoring buoys. The University of Michigan’s Ocean Engineering Laboratory design integrates a Digi International Rabbit RCM3600 embedded controller with a Honeywell HMR3300 MEMS accelerometer to measure buoy accelerations and estimate directional and non-directio...

[1] A global comparison of altimeter and ERA-40 mean wave period data is performed for the first time. Altimeter and ERA-40 mean wave period are shown to compare well in non-swell-dominated conditions. Triply collocated altimeter, buoy, and ERA-40 data show that the variance of the random errors is bigger for the ERA-40 data and smaller for the buoy data. A new expression is given to relate alt...

A moored-buoy system for collecting real-time seismic data from the coastal ocean has been developed and will be deployed for its initial field trial in the fall of 2003. The key component in this moored system is an ultra-stretchy mooring hose that provides compliance for waves and currents and protects the electrical conductors connecting an Ocean Bottom Seismometer (OBS) to a surface buoy fr...

The MAREL Iroise data buoy provides physico-chemical measurements acquired in surface marine water in continuous and autonomous mode. The water is pumped 1.5 m from below the surface through a sampling pipe and flows through the measuring cell located in the floating structure. Technological innovations implemented inside the measuring cell atop the buoy allow a continuous cleaning of the senso...