• No results found

HF radar data

A Wave Measurements HF Radar Data Set in the Malta-Sicily Channel: Data Quality, Validation and Gap Filling

A Wave Measurements HF Radar Data Set in the Malta-Sicily Channel: Data Quality, Validation and Gap Filling

... operational HF radar observing network capable of recording (in quasi real-time with hourly updates) surface currents and wave data in the Malta-Sicily Channel ...CALYPSO data is allowing new ...

8

Statistical characteristics of medium scale traveling ionospheric disturbances revealed from the Hokkaido East and Ekaterinburg HF radar data

Statistical characteristics of medium scale traveling ionospheric disturbances revealed from the Hokkaido East and Ekaterinburg HF radar data

... angle data obtained by the F2 layer vertical sounding from 1975 to 1976 at ...an HF Doppler technique and found that the wave azimuth rotates clockwise through 360° in 24 ...annual data from the ...

13

Variability in the air–sea interaction patterns and timescales within the south-eastern Bay of Biscay, as observed by HF radar data

Variability in the air–sea interaction patterns and timescales within the south-eastern Bay of Biscay, as observed by HF radar data

... (HF) radar stations were in- stalled on the coast of the south-eastern Bay of Biscay in 2009, providing high spatial and temporal resolution and large spatial coverage of currents in the area for the first ...

12

The use of HF radar surface currents for computing
Lagrangian trajectories: benefits and issues

The use of HF radar surface currents for computing Lagrangian trajectories: benefits and issues

... The HF-radar data allows inclusion of the spatial current variability in the track computation with a high temporal ...the data sets, both in space and ...the data into a model which ...

6

Synergy between in situ and altimetry data to observe and study Northern Current variations (NW Mediterranean Sea)

Synergy between in situ and altimetry data to observe and study Northern Current variations (NW Mediterranean Sea)

... The HF radar data used here (orange zone in ...two HF (16 MHz) Wellen radar (WERA) instruments installed near Toulon in monostatic (Cap Sicié station) and bistatic (Cap ...

22

The influence of fetch on the response of surface currents to wind studied by HF ocean surface radar

The influence of fetch on the response of surface currents to wind studied by HF ocean surface radar

... of HF surface radar to measure Stokes ...the HF radar should respond to Stokes drift from all waves with wavelengths longer than the Bragg ...the HF radar surface current ...

15

Assimilation of HF radar surface currents to optimize forcing in the northwestern Mediterranean Sea

Assimilation of HF radar surface currents to optimize forcing in the northwestern Mediterranean Sea

... of HF radars on the Mediterranean coast through national and international projects should be extended to enhance the coastal monitoring and the assimila- tion of HF radar ...

17

Inversion of HF radar doppler spectra using a neural network

Inversion of HF radar doppler spectra using a neural network

... from HF radar ...with HF-measured values of significant wave height, wave period, wave direction and wind direction input, to predict wind speed as measured by a wave ...and HF-measured first ...

19

Evaluating the surface circulation in the Ebro delta (northeastern Spain) with quality-controlled high-frequency radar measurements

Evaluating the surface circulation in the Ebro delta (northeastern Spain) with quality-controlled high-frequency radar measurements

... accurate HF radar surface current measure- ...of HF radar-derived current data with in situ observations from a PCM installed in a buoy moored within the radar domain (B1, ...

15

Mesospheric winds derived from SuperDARN HF radar meteor echoes at Halley, Antarctica

Mesospheric winds derived from SuperDARN HF radar meteor echoes at Halley, Antarctica

... The HF radar at Halley (76 ◦ S, 27 ◦ W), Antarctica, has been operating since ...ral Radar Network (SuperDARN) of HF radars (Greenwald et ...used data from the HF radar at ...

5

Joint analysis of coastal altimetry and high-frequency (HF) radar data: observability of seasonal and mesoscale ocean dynamics in the Bay of Biscay

Joint analysis of coastal altimetry and high-frequency (HF) radar data: observability of seasonal and mesoscale ocean dynamics in the Bay of Biscay

... (HF) radar systems provide operational measurements of coastal sur- face currents (within 1–3 m depth) with high spatial (300 m– 10 km) and temporal ( ≤ 1 h) sampling resolutions, while the near-continuous ...

17

Wind-induced variability in the Northern Current (northwestern Mediterranean Sea) as depicted by a  multi-platform observing system

Wind-induced variability in the Northern Current (northwestern Mediterranean Sea) as depicted by a multi-platform observing system

... (HF) radar surface current field coverage, while the two red crosses indicate the HF radar sites at Fort Peyras (FP) and Cap Bénat (CB), in the Toulon (TLN) ...

22

Remote sensing of ocean surface currents: a review of what is being observed and what is being assimilated

Remote sensing of ocean surface currents: a review of what is being observed and what is being assimilated

... The next major breakthrough was the launch of altimeter missions as Topex/Poseidon and ERS-1/2 in the early 1990s. Taking advantage of the precise measurements of sea level, global, near-real-time maps of geostrophic ...

31

HF radar oceanography

HF radar oceanography

... WRITE PLOTFILE,// ,LFFT ,-1* LFFT DIV 2 *FREQSTEP ,FREQSTEP ; DO BEGIN WRITEPLOTFILE,MRSIZE,SXX[I-LFFT DIV 2]; I := I+MRSIZE END UNTIL I > LFFT OR I > 2048 END OF OUTPUTBLOCK; PROCEDURE [r] ...

338

Impact of HF radar current gap-filling methodologies on the Lagrangian assessment of coastal dynamics

Impact of HF radar current gap-filling methodologies on the Lagrangian assessment of coastal dynamics

... gappy data, especially when the horizontal gap size is larger than the minimal resolved length scale (Kaplan and Lekien, 2007) or when only data from one antenna are ...the data (Kaplan and Lekien, ...

21

Remote sensing of mesospheric dust layers using active modulation of PMWE by high power radio waves

Remote sensing of mesospheric dust layers using active modulation of PMWE by high power radio waves

... Belova et al., (2008) presented the overshoot effect during active modulation of PMWE detected by VHF radar (224 MHz). A sharp decrease in power within 2 s after X-mode turn-on and a sharp increase after turn-off ...

39

Analysis of HF data on the WSE in the context of EMH

Analysis of HF data on the WSE in the context of EMH

... Analysis of HF data on the WSE in the context of EMH Strawinski, Pawel and Slepaczuk, Robert Warsaw University.. Online at https://mpra.ub.uni-muenchen.de/9532/ MPRA Paper No.[r] ...

15

Doppler HF Radar Application for the Study of Spatial Structure of Currents in the Black Sea

Doppler HF Radar Application for the Study of Spatial Structure of Currents in the Black Sea

... Doppler HF radars (for example, SeaSonde radars by CODAR Ocean Sensors (USA) [2] and WERA by Helzel Messtechnik GmbH (Germany) [3]), which measure the ve- locity of surface currents in the coastal zone from ...

11

MODELING AND SIMULATION OF GRID CONNECTED PHOTOVOLTAIC DISTRIBUTED GENERATION 
SYSTEM

MODELING AND SIMULATION OF GRID CONNECTED PHOTOVOLTAIC DISTRIBUTED GENERATION SYSTEM

... The sea wave has two feature parameters; one is the valid wave height, the other the peak frequency of wave height spectrum. Both of these characteristic quantities are available through inversion of the second order ...

5

Wind direction manifestation on HF ocean radar echoes

Wind direction manifestation on HF ocean radar echoes

... The period was chosen to correspond to the passage of an abrupt change in the wind field across the region, accompanied by a strong and clear cold front system showing on the Mean Sea Level (MSL) analysis charts. The MSL ...

6

Show all 10000 documents...

Related subjects