Saturday, December 6

Surfing China: Tidal Bore River Wave





Location - Qiantang River in Hangzhou China.

Jamie Sterling and Reno Makani compete in the first ever Red Bull Qiantang Surfing Shoot Out. We got to explore the Great Wall of China. Learned about the countries biodiversities and it's amazing culture. We ends up making it to the finals and placing second and received a Silver medal woot woot!

Brief educational information about tidal bores-
  
Bores occur in relatively few locations worldwide, usually in areas with a large tidal range (typically more than 6 metres (20 ft) between high and low water) and where incoming tides are funneled into a shallow, narrowing river or lake via a broad bay. The funnel-like shape not only increases the tidal range, but it can also decrease the duration of the flood tide, down to a point where the flood appears as a sudden increase in the water level. A tidal bore takes place during the flood tide and never during the ebb tide. 


A tidal bore may take on various forms, ranging from a single breaking wavefront with a roller – somewhat like a hydraulic jump – to undular bores, comprising a smooth wavefront followed by a train of secondary waves known as whelps. Large bores can be particularly unsafe for shipping but also present opportunities for river surfing like what we did in China during the 2012 Red Bull Qiantang Shoot Out.

Two key features of a tidal bore are the intense turbulence and turbulent mixing generated during the bore propagation, as well as its rumbling noise. The visual observations of tidal bores highlight the turbulent nature of the surging waters. The tidal bore induces a strong turbulent mixing in the estuarine zone, and the effects may be felt along considerable distances. The velocity observations indicate a rapid deceleration of the flow associated with the passage of the bore as well as large velocity fluctuations. A tidal bore creates a powerful roar that combines the sounds caused by the turbulence in the bore front and whelps, entrained air bubbles in the bore roller, sediment erosion beneath the bore front and of the banks, scouring of shoals and bars, and impacts on obstacles. The bore rumble is heard far away because its low frequencies can travel over long distances. The low-frequency sound is a characteristic feature of the advancing roller in which the air bubbles entrapped in the large-scale eddies are acoustically active and play the dominant role in the rumble-sound generation. 

The word bore derives through Old English from the Old Norse word bára, meaning "wave" or "swell".


Rivers with tidal bores
Rivers that have been known to exhibit bores include those listed below

Asia
Ganges–Brahmaputra, India and Bangladesh
Indus River, Pakistan
Sittaung River, Burma
Qiantang River, China, which has the world's largest bore, up to 9 metres (30 ft) high, traveling at up to 40 kilometres (25 mi) per hour
Batang Lupar or Lupar River, near Sri Aman, Malaysia. The tidal bore is locally known as benak.
Bono, Kampar River, Indonesia. The phenomenon is feared by the locals to sink ships. It is reported to break up to 130 kilometres (81 mi) inland.

Australia
Styx River, Queensland
Daly River, Northern Territory

Europe
River Shannon, Limerick, Ireland: 21 September 2013

United Kingdom

The Trent Aegir seen from West Stockwith, Nottinghamshire, 20 September 2005

The Trent Aegir at Gainsborough, Lincolnshire, 20 September 2005
River Dee, Wales and England
River Mersey
The Severn bore on the River Severn, Wales and England, up to 2 metres (7 ft) high
The Trent Aegir on the River Trent, England, up to 1.5 metres (5 ft) high. Also other tributaries of the Humber Estuary.
River Parrett
River Welland
The Arnside Bore on the River Kent
River Great Ouse
River Ouse, Yorkshire. Like the Trent bore, this is also known as "the Aegir".
River Eden
River Esk
River Nith
River Lune, Lancashire
River Ribble, Lancashire

France
The phenomenon is generally named un mascaret in French.[18] but some other local names are preferred.
Seine, locally named la barre, had a significant bore until the 1960s. Since then, it has been practically eliminated by dredging and river training.
Baie du Mont Saint Michel including Couesnon, Sélune, and Sée
Arguenon
Baie de la Frênaye
Vire
Sienne
Vilaine, locally named le mascarin
Dordogne
Garonne
Papua New Guinea
Fly River

North America
United States
Tidal bore on the Petitcodiac River
The Turnagain arm of Cook Inlet, Alaska. Up to 2 metres (7 ft) and 20 km/h (12 mph).
The Savannah River up to 10 miles (16 km) inland.
Small tidal bores, only a few inches in height, have been observed advancing up tidal bayous on the Mississippi Gulf Coast.

Canada
Most rivers draining into the upper Bay of Fundy between Nova Scotia and New Brunswick have tidal bores. Notable ones include:
The Petitcodiac River, formerly had the highest bore in North America at over 2 metres (6.6 ft) in height but causeway construction between Moncton and Riverview in the 1960s led to subsequent extensive sedimentation which reduced the bore to little more than a ripple. After considerable political controversy, the causeway gates were opened on April 14, 2010, as part of the Petitcodiac River Restoration Project and the tidal bore began to grow again. The restoration of the bore has been sufficient enough that in July 2013, professional surfers rode a one metre high wave 29 km up the Petitcodiac River from Belliveau Village to Moncton to establish a new North American record for continuous surfing.
The Shubenacadie River, also off the Bay of Fundy in Nova Scotia. When the tidal bore approaches, completely drained riverbeds are filled. It has claimed the lives of several tourists who were in the riverbeds when the bore came in.Tour boat operators offer rafting excursions in the summer.
The bore is fastest and highest on some of the smaller rivers that connect to the bay including the River Hebert and Maccan River on the Cumberland Basin, the St. Croix, Herbert and Kennetcook Rivers in the Minas Basin, and the Salmon River in Truro.

Mexico
Historically, there was a tidal bore on the Sea of Cortez in Mexico at the entrance of the Colorado River. It formed in the estuary about Montague Island and propagated upstream. Once very strong, later diversions of the river for irrigation have weakened the flow of the river to the point the tidal bore has nearly disappeared.

South America
Amazon River in Brazil and Orinoco River in Venezuela, up to 4 metres (13 ft) high, running at up to 13 mph (21 km/h). It is known locally as the pororoca.
Mearim River in Brazil
Araguari River in Brazil

Producer and Editor-In-Chief: Reno Makani http://www.renomakani.com 


Managing Editor: Perry Gershkow http://www.coastalcruisin.com

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Aloha Reno Makani

Monday, September 29

New GoPro HERO4

Most advanced GoPro Ever.
Introducing HERO4 Black, the most advanced GoPro ever. Featuring improved image quality and a 2x more powerful processor with 2x faster video frame rates,1 HERO4 Black takes Emmy® Award-winning GoPro performance to a whole new level. Incredible high-resolution 4K30 and 2.7K50 video and high frame rate 1080p120 video enable stunning, immersive footage of you and your world. New Protune™ settings for both photos and video unlock manual control of Color, ISO Limit, Exposure and more. Waterproof to 131’ (40m) with 12MP photos at a blistering 30 frames per second and improved audio,1 HERO4 Black is the ultimate life-capture solution. 
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4K30, 2.7K50, 1080p120—HERO4 Black is the first camera of its kind to feature ultra high-resolution, high frame rate video as powerful as this. Once the exclusive domain of large, costly cameras, HERO4 Black delivers truly professional video quality in a tiny package. Stunning clarity. Liquid-smooth slow-motion playback. Cinema-quality capture. HERO4 Black brings it all.
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With 12MP Burst photos at a blistering 30 frames per second, HERO4 Black helps you capture the moments you don’t want to miss. Capture single photos, or choose Time Lapse mode to shoot photos automatically at set time intervals from 0.5 to 60 seconds—great for gear-mounted shots when the shutter button is out of reach.
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HiLight Tag, a new HERO4 feature, enables you to mark key moments while recording so you can quickly locate your best clips later for convenient playback, editing or sharing using the GoPro App or GoPro Studio. Just press the dedicated button on the camera or Smart Remote,2 or use the GoPro App to tag your highlights.
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HERO4 Black features SuperView™, a GoPro-exclusive video mode that captures the world’s most immersive wide-angle perspective. It allows you to capture more of yourself and your surroundings in the shot—resulting in captivating, ultra engaging footage of every adventure.
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Let the camera do the thinking for you. Auto Low Light mode intelligently changes frame rates based on lighting conditions for optimal low-light performance, enabling you to move between bright and dark environments without having to adjust your camera settings.
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Be ready to capture the moment at a moment’s notice with new QuikCapture mode. It turns your GoPro into a one-button camera, allowing you to power on and start recording automatically with the press of a single button. Press once to record video, press and hold for two seconds to capture Time Lapse photos. Never worry again about missing an epic shot.
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Featuring a powerful new audio system, HERO4 Black captures clean, high fidelity sound. Its cutting-edge microphone delivers nearly 2x the dynamic range, while a best-in-class audio algorithm ensures your recordings sound smoother and more natural than ever.1 Plus, with its new, integrated ADC (analog-to-digital converter), HERO4 Black is compatible with a wider variety of professional low-sensitivity external mics3 for immersive stereo audio capture and enhanced performance, whether recording voices, an acoustic jam session or a live show.
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Protune, Now for Photo + Video.
Protune unlocks the camera’s full potential, delivering minimally compressed, cinema-caliber video optimized for professional productions, and advanced manual controls for photos and video. Flex your creativity with customizable settings for Color, ISO Limit, White Balance, Sharpness and Exposure—and enjoy the greatest degree of manual control available in a GoPro camera.
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HERO4 Black features a new dedicated button that allows you to quickly access and adjust camera settings. Simplified menus make navigating settings more intuitive than ever.1
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Capture your world in an all-new way with HERO4 Silver (ONLY) the first-ever GoPro to feature a built-in touch display. Controlling the camera, framing shots and playing back content is now ultra convenient—just view, tap and swipe the screen. HERO4 Silver captures 1080p60 and 720p120 video with lifelike clarity, plus 12MP photos at a staggering 30 frames per second. New experience-enhancing features include HiLight Tag, which lets you mark key moments for easy playback, editing and sharing, and QuikCapture, which allows you to power on the camera and start recording with the press of a single button. Waterproof to 131’ (40m), HERO4 Silver combines versatility and pro-quality capture with the convenience of a touch display.
See more at: GoPro



Check out  GoPro and order yours today! Aloha Reno Makani

Take a moment and be one of the first to sign up for exclusive insights, media, VIP events and giveaways at http://www.renomakani.com/vip 

More Tips from a PRO check out the links below







Monday, March 31

The Blackout Housing for GoPro HERO3 







Yes finally woot woot! The athletes & media team have been pushing for a more desecrate housing and I'm happy to say its now available :)

The Blackout Housing from GoPro keeps a low profile thanks to its matte black finish. It’s perfect for special ops filming with your GoPro  and capturing footage without drawing attention to the camera. The included LCD concealment stickers help eliminate light reflection from the housing’s LCD window. Waterproof to 131’/40m. Includes Standard and Skeleton Backdoors.Non-reflective, matte black finish ensures low visibilityPerfect for special ops filming or capturing footage without drawing attention to the cameraIncludes LCD concealment stickers to eliminate light reflection from the LCD windowWaterproof to 131’/40m

Check out GoPro and order yours today! Aloha Reno Makani


Take a moment and be one of the first to sign up for exclusive insights, media, VIP events and giveaways at http://www.renomakani.com/vip 

More Tips from a PRO check out the links below