Australian lead in hydrometry. Image velocimetry & ADCP training. Author on 4 national guidelines. ⚽️COYS 🎣🐟🍺🏕🛥🚀🪐 photography
Cairns, Queensland
Joined December 2012
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Such huge potential for advancing hydrometry bbc.com/future/article/20240…
Great to be in Slovenia, helping them learn to use image velocimetry methods to measure future flood events
Great to be back in New Zealand. Testing out the new HydroSTIV portable tablet at the flow regatta. Looking forward to seeing the results compare.
Mark Randall retweeted
Hard to capture the volume of water on video but walking in I could feel the ground shaking amidst a deafening roar. An unprecedented 6ft of rain fell on the catchment over the past few days. #cairnsflood
Mark Randall retweeted
🌧️ A trough associated with ex-Tropical Cyclone Jasper produced more than 500 mm of rainfall at sites in the North Tropical Coast over the past 24 hours to 9am, in the Daintree, Mossman and Barron catchments. Subject to verification, some sites have recorded up to around 800 mm.
Mark Randall retweeted
Widespread heavy rainfall occurred in parts of FNQ from 14-18th December 2023. Many areas from Tully to Cape Melville had 400-1000 mm with localised falls of 1200-1600 mm between Cairns & Cooktown. For maps of recent/past conditions: ow.ly/RH7v50QjzpX
Mark Randall retweeted
Much of the Far North is underwater tonight, as a result of the most severe flooding the region has experienced in almost 50 years. Low-lying homes have been inundated and another six to 12 hours of heavy rain is forecast for tonight. 📍EMERGENCY ALERTS: bit.ly/47Ys7qg
Near real time River information available at QLD gov portal water-monitoring.information…
Barron River at Myola last reached 14.5m in 1913. Will be interesting to see where this event peaks #cairnsflood2023
Barron River at Myola last reached 14.5m in 1913. Will be interesting to see where this event peaks #cairnsflood2023
Mark Randall retweeted
⚠️Major Flood Warning issued for the Barron River. Major flooding likely at Cairns Airport during Sunday afternoon & occurring at Kamerunga Bridge. Rainfall up to 513 mm was recorded over the Barron River catchment in the 24 hours to 9 am Sunday. Details: ow.ly/7qWu50Qjt2Z
Mark Randall retweeted
⚠️Major Flood Warning for the Barron River. Major flooding at Cairns Airport expected to exceed the 1977 flood this afternoon. Elevated river levels and moderate to major flooding is occurring downstream of Tinaroo Dam to Barron Falls. Details: ow.ly/MJPF50Qjthr
Major flooding and an evacuation order out for parts of Cairns this morning. Rainfall intensities and totals are expected to continue for another 48 hours.
⚠️🌧️Intense rain is exacerbating ongoing Major Flooding across #FNQ this morning. Nearly 500mm has fallen since 9am yesterday. Numerous flood warnings are current, including the Herbert, Murray, Daintree, Mulgrave and Johnston Rivers. Warnings: bom.gov.au/qld/warnings/
Mark Randall retweeted
⚠️⛈️ A Severe Thunderstorm Warning has been issued for intense rainfall in the Cairns region, which may lead to dangerous and life-threatening flash flooding. Locations include Cairns, Yarrabah and Redlynch. 146mm has fallen in under 3 hours at Myola. ow.ly/YICO50QjsKM
Mark Randall retweeted
𝐂𝐚𝐧 𝐲𝐨𝐮 𝐦𝐞𝐚𝐬𝐮𝐫𝐞 𝐦𝐨𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐬𝐩𝐚𝐜𝐞? The @esa @ESA_EO-funded #FluViSat project ended with positive answers: yes, not only with video from space, but also with sequences of still satellite images!
eo4society.esa.int/projects/…
That went well! 55 slides in 35 minutes....!
Oh, the project..?
Brilliant - we can measure river flow, accurately, with video & still imagery from space.
Now, come and talk to me at BHS 40th next Monday & #HydroSpace23 in Lisbon.
Mark Randall retweeted
That went well! 55 slides in 35 minutes....!
Oh, the project..?
Brilliant - we can measure river flow, accurately, with video & still imagery from space.
Now, come and talk to me at BHS 40th next Monday & #HydroSpace23 in Lisbon.