Presentation given by Chris Swain, Water Quality Advocate at the Opening Session on Monday, January 25, 2010 during the 2010 NEWEA Annual Conference in Boston, Massachusetts
Water Potential 101: What It Is. Why You Need It. How To Use It.METER Group, Inc. USA
Soil is no longer a black box. Advances in sensor technology and software now make it easy to understand what’s happening in your soil, but don’t get stuck thinking only measuring soil water content will tell you what you need to know. Water content is only one side of a critical two-sided coin. To understand when to water, plant-water stress, or how to characterize drought, you also need to measure water potential.
Better data. Better answers.
Soil water potential is a crucial measurement for optimizing yield and stewarding the environment because it’s a direct indicator of availability of water for biological processes. If you’re not measuring it, you’re likely getting the wrong answer to your soil moisture questions. Water potential can also help you predict if soil water will move, and where it’s going to go. Join METER soil physicist, Dr. Doug Cobos, as he teaches the basics of this critical measurement. Learn:
- What is water potential?
- Why water potential isn’t as confusing as it’s made out to be
- Common misconceptions about soil water content and water potential
- Why water potential is important to you
Presentation given by Chris Swain, Water Quality Advocate at the Opening Session on Monday, January 25, 2010 during the 2010 NEWEA Annual Conference in Boston, Massachusetts
Water Potential 101: What It Is. Why You Need It. How To Use It.METER Group, Inc. USA
Soil is no longer a black box. Advances in sensor technology and software now make it easy to understand what’s happening in your soil, but don’t get stuck thinking only measuring soil water content will tell you what you need to know. Water content is only one side of a critical two-sided coin. To understand when to water, plant-water stress, or how to characterize drought, you also need to measure water potential.
Better data. Better answers.
Soil water potential is a crucial measurement for optimizing yield and stewarding the environment because it’s a direct indicator of availability of water for biological processes. If you’re not measuring it, you’re likely getting the wrong answer to your soil moisture questions. Water potential can also help you predict if soil water will move, and where it’s going to go. Join METER soil physicist, Dr. Doug Cobos, as he teaches the basics of this critical measurement. Learn:
- What is water potential?
- Why water potential isn’t as confusing as it’s made out to be
- Common misconceptions about soil water content and water potential
- Why water potential is important to you
Planetary Boundaries: Exploring the Safe Operating Space for Humanity. Slides are all about summary of Johan Rockström et al., which basically talks about the nine planetary boundaries defined by author globally and explains about the control variables, thresholds, and where we as a Human stand right now with respect to both social boundaries and planetary boundaries.
Presentation by Dr. Jonathan J. Cole, Cary Institute of Ecosystem Studies
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2017 Open Space Conference - Ellie Cohen - Accelerating Nature-based Solution...OpenSpaceCouncil
*Please note that animations in this presentations are not visible when viewed through Slideshare.
Ellie Cohen, Executive Director, Point Blue Conservation Science, spoke at the 2017 Open Space Conference, Eyes on the Horizon, Boots on the Trail on May 18, 2017 at the Craneway Pavilion in Richmond, CA. More info on the Bay Area Open Space Council's website: http://openspacecouncil.org/community-events/conference/
This is the talk about AquaFiber I gave as part of the Everglades Foundation George Barley Water Prize group on new technologies that can meet the Everglades water quality standards at scale.
Slide show given by AquaFiber at Indian River County Commissioner Tim Zorc's Indian River Lagoon Workshop on March 29, 2016 at the Indian River County Administration building.
Planetary Boundaries: Exploring the Safe Operating Space for Humanity. Slides are all about summary of Johan Rockström et al., which basically talks about the nine planetary boundaries defined by author globally and explains about the control variables, thresholds, and where we as a Human stand right now with respect to both social boundaries and planetary boundaries.
Presentation by Dr. Jonathan J. Cole, Cary Institute of Ecosystem Studies
Starting in its earliest development, limnology has tended to view lakes as rather isolated from their terrestrial watersheds. This view of lakes as microcosms (Forbes 1887) proved useful in some ways, but it failed to help explain phenomena such as eutrophication which is driven by the external input of nutrients. While the study of limiting nutrients has fully embraced the watershed for decades, the study of C cycling in lakes has maintained a somewhat microcosm viewpoint. This is a viewpoint in which organic C is envisioned as being formed almost entirely by photosynthesis within the system (autochthonous sources); exogenous sources are largely ignored, downplayed, or assumed to be refractory. A number of disparate research threads in recent decades have completely overturned this view.
2017 Open Space Conference - Ellie Cohen - Accelerating Nature-based Solution...OpenSpaceCouncil
*Please note that animations in this presentations are not visible when viewed through Slideshare.
Ellie Cohen, Executive Director, Point Blue Conservation Science, spoke at the 2017 Open Space Conference, Eyes on the Horizon, Boots on the Trail on May 18, 2017 at the Craneway Pavilion in Richmond, CA. More info on the Bay Area Open Space Council's website: http://openspacecouncil.org/community-events/conference/
This is the talk about AquaFiber I gave as part of the Everglades Foundation George Barley Water Prize group on new technologies that can meet the Everglades water quality standards at scale.
Slide show given by AquaFiber at Indian River County Commissioner Tim Zorc's Indian River Lagoon Workshop on March 29, 2016 at the Indian River County Administration building.
Presented by Vladimir Smakhtin at the Ministry of Water Resources, New Delhi, India, November 4, 2014.
The flows of India’s rivers are increasingly being modified by dams and weirs and abstractions for agriculture and urban use. These interventions have caused significant alteration of flow regimes mainly by reducing total flow and affecting its variability and seasonality. An Environmental Flow (EF) is the water regime provided within a river, wetland or coastal zone to maintain ecosystems and their benefits. Environmental Flows describe the quantity, quality and timing of water flows required to sustain freshwater and estuarine ecosystems and the human livelihoods and well-being that depend on these ecosystems. This presentation looks at how the EF approach has been tested in India and describes a project to apply EF methodology to the upper Ganga.
Irrigation of Controlled Environment Crops—Part 4: Balancing Light, Water, an...METER Group, Inc. USA
Are you unwittingly compromising your plants?
In a controlled environment many variables affect production. But if any one of those variables gets out of balance, it can undermine your whole operation. For example, if you apply enough nutrients for high production but only enough light for low production, you’ll increase costs and limit yield. To get the most out of your crop, you’ll need to measure and balance environmental inputs correctly to get the most efficient use out of them. If you’re not measuring the right variables, fixing problems that keep you from your goals will be a shot in the dark, because you won’t know what the real problem is.
Amplify your production and efficiency
In part 4 of our popular controlled-environment webinar series, world-renowned soil physicist, Dr. Gaylon Campbell, teaches what is required to ensure all environmental variables remain balanced for the highest possible efficiency and production. Discover:
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- Relationships between biomass production, light, and CO2
- Relationships between biomass production and water use
- Relationships between biomass production and nutrient uptake
- Limiting factors in the balance equations
- Examples and monitoring applications
Presented by IWMI's Priyanie Amerasinghe at a World Wetlands Day dialogue: 'Getting Wetland Research into Policy & Practice' held in Colombo, Sri Lanka, on February, 2, 2018
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Irrigation of Controlled Environment Crops - Nutrients & StressMETER Group, Inc. USA
Welcome to Part 2 of our webinar series: Irrigation of Controlled Environment Crops for Increased Quality and Yield. Today we’ll hear from Dr. Gaylon Campbell, who will discuss how to measure electrical conductivity and osmotic stress to optimize crop steering for maximum yield.
Irrigation of Controlled Environment Crops for Increased Quality and Yield—Pa...METER Group, Inc. USA
Rev up your productivity
If you’re crop steering to optimize quality and productivity, understanding nutrient concentration is critical to stressing your plants correctly. If nutrient concentrations get too low, you won’t get the production you’re paying for with the rest of your infrastructure. If the concentrations are too high—you’ll risk killing your plants.
Measure. Don’t guess.
You can’t quantify nutrient concentration just by looking at your plants or tasting the fruit. The only way to know the nutrient concentration is to measure it. Crop steering can only be done if you know the electrical conductivity (EC) of the nutrient solution in the growth substrate. In this 30-minute webinar, world-renowned soil physics expert, Dr. Gaylon Campbell discusses how to measure EC and osmotic stress to optimize crop steering for maximum yield. He’ll cover:
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- Crop steering using osmotic stress and how to monitor that stress
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An effective and sustainable water remediation and biomass production process
1. Clean Water – Healthy World
Bill Eggers, CEP, CWB, PWS
VP Science & Technology
BS Wildlife Ecology/Zoology, UF 1992
Renewable Energy Systems &Sustainability Con
July 31 – August 1
Florida Polytechnic University
An Effective and Sustainable Water Remediation
and Biomass Production Process
2.
3.
4.
5. Photo: Lake Jesup - Sherry Brandt-Williams
Vision:
Clean Water – Healthy World
AquaFiber’s cutting edge AquaLutions™® technology
can permanently remove algae and nutrients at scale
from surface water more efficiently, effectively and
economically than any other.
6. AQUALUTIONS®™ • CUSTOMIZED FOR RESTORATION TARGETS
• OPTIMIZED FOR LARGE, VERY DIRTY WATERBODIES
• PROVEN AT COMMERCIAL SCALE
• EFFECTIVE AND EFFICIENT
• SMALL LAND FOOTPRINT
• RELIABLE
• SCALABLE
• SUSTAINABLE
• ENVIRONMENTALLY SAFE
• LEAST EXPENSIVE LIFE-CYCLE COST ON MARKET
Lake Jesup Biomass
7.
8.
9.
10. PROVEN
TECHNOLOGY
LAKE APOPKA:
• 6+ YEARS OF TESTING AND
DEMONSTRATION
LAKE JESUP:
• 5-YEAR PILOT PROJECT WITH SJRWMD
• 5.7 BILLION GALLONS RESTORED (3.7 MGD)
• THIRD PARTY VERIFICATION OF RESULTS
THE RESULTS SHOWED
THAT…
AquaFiber – Lake Jesup
11. PHOSPHORUS REMOVAL AND MUCH MORE
AQUALUTIONS®™ CAN:
• PERMANENTLY REMOVE MORE THAN 75% OF THE TOTAL
PHOSPHORUS
• PERMANENTLY REMOVE MORE THAN 45% OF THE TOTAL
NITROGEN
• PERMANENTLY REMOVE DECADES OF UNCONSOLIDATED MUCK
AND LEGACY LOADS
• RESTORE WATER CLARITY
• REMOVE HARMFUL, TOXIN-PRODUCING ALGAE
• IMPROVE DISSOLVED OXYGEN CONCENTRATION
12. LAKE JESUP PHOSPHORUS REMOVAL RESULTS (2009 –
2014)
• MEAN INFLUENT CONCENTRATION
• 0.163 MG/L
• MEAN EFFLUENT CONCENTRATION
• 0.033 MG/L
• BMAP TARGET - 0.096 MG/L
• FL NNC FOR COLORED LAKES –
0.050 MG/L
• MEAN REMOVAL EFFICIENCY
• 75.1%
• TOTAL TP REMOVED
• 6,449 LBS (2.93 MT)
• MASS BALANCE
13. LAKE JESUP NITROGEN REMOVAL RESULTS (2009-2014)
• MEAN INFLUENT CONCENTRATION
• 3.48 MG/L
• MEAN EFFLUENT CONCENTRATION
• 1.64 MG/L
• BMAP TARGET – 1.27 MG/L
• FL NNC TARGET FOR COLORED
LAKES – 1.27 – 2.23 MG/L
• MEAN REMOVAL EFFICIENCY
• 46.1%
• TOTAL TN REMOVED
• 90,749 LBS (41.16 MT)
14. LAKE JESUP OPTIMAL RESULTS - YEAR 2
DUAL NUTRIENT EFFICIENCY
4/18/10 – 4/18/11
• TOTAL WATER
TREATED
• (350 DAYS)
• 1.7 BILLION GALLONS
• MEAN DAILY FLOW
• 4.9 MILLION GALLONS
• TOTAL TP REMOVED
• 2,474.30 LBS (1.12 MT)
• TP REMOVAL EFFICIENCY
• 82.49% ± 15.88 SD
• TOTAL TN REMOVED
• 33,659,91 LBS (15.27
MT)
• TN REMOVAL EFFICIENCY
• 59.08% ± 13.18 SD
17. LAKE JESUP RESULTS
4/18/11 – 4/18/14
TOTAL SUSPENDED SOLIDS (TSS)
• MEAN INFLUENT CONCENTRATION
• 46.1 MG/L
• MEAN DAILY INFLUENT RANGE
• 8.9 MG/L MIN
• 193.2 MG/L MAX
• MEAN EFFLUENT CONCENTRATION
• 9.3 MG/L
• MEAN REMOVAL EFFICIENCY
• 72.5%
TOTAL DEWATERED BIOMASS
REMOVED
• 13,402,584 POUNDS (6,079 MT)
18.
19. AQUAFIBER WITH BIOMASS DESTRUCTION
• 24 MGD WATER TREATMENT CAPACITY ON <10 ACRES
OF LAND
• REMOVES ~16,000 POUNDS OF PHOSPHORUS AND
~217,000 POUNDS OF NITROGEN PER YEAR
• PERMANENTLY REMOVES AND RECYCLES NUTRIENTS
INSTEAD OF SEQUESTERING OR WASTING THEM
• 40,000 - 50,000 GALLONS WET BIOMASS PER DAY
• USES BIOMASS AS ONLY FEEDSTOCK IN FLUIDIZED GAS
BED TO DESTROY ITSELF (CAN ALSO GENERATE
ELECTRICITY)
• CREATES NEW CLEAN TECH “STEM” JOBS (40)
“MAKE FLORIDA THE FIRST CLEAN-WATER STATE IN THE
24 MGD Expansion Plans
AquaLutions Treatment Area
Biomass Destruction
20. TESTED APPLICATIONS
• LARGE IMPAIRED SYSTEMS
• SMALL LAKE RESTORATION
• LEGACY LOAD REDUCTION
• FLOWING WATERS
• INDUSTRIAL WASTE WATER
• MINING WATER
• POWER PLANT COOLING
WATER
• STORMWATER SYSTEMS
• WASTEWATER EFFLUENT
POLISHING
AquaKnight®™ Mobile Trailer
22. AQUAFIBE
R:
• IS PROVEN AND VERIFIABLE
• HAS SIGNIFICANT ADVANTAGES
• IS MODULAR AND SCALABLE
• WORKS AT SCALES LARGE ENOUGH TO
RESTORE WHOLE BASINS
• PERMANENTLY REMOVES THE NUTRIENTS
• PRODUCES A BENEFICIAL BIOMASS OR
ELECTRICITY
• CREATES NEW “STEM” JOBS
Lake Jesup Effluent
The following is a brief description about AquaFiber’s world class surface water cleaning system. AquaFiber’s technology can restore Florida’s impaired lakes and streams making Florida a model for others to follow. Our goal is to make Florida the first clean water state in the nation.
The background photo for this slide was taken on Lake Jesup and shows the Lake’s name written in a thick layer of surface algae floating on the surface.
Our cutting edge technology called AquaLutions can remove this algae and the nutrients creating them permanently, and do it better and cheaper at scale than anyone else.
AquaFiber began by cleaning the waters of Lake Apopka. In 2007, it was awarded a 5-year contract by the SJRWMD to relocate to Lake Jesup and continue its Vision of cleaning water for a healthy world there.
AquaFiber’s technology is proven by successful completion of contracts for the SF and SJR WMDs, and independent verification of the results.
The image on this slide depicts the Lake Jesup facility during its operation. However, as mentioned before, AquaFiber began developing its process on the shore of Lake Apopka where for more than six years it learned to produce water at drinking water clarity while also naturally decomposing the muck along the shoreline.
Following successful completion of that project, the SJRWMD awarded AquaFiber a 5-year contract to build a commercial-scale facility that could harvest more than a metric ton per year of phosphorus from Lake Jesup. AquaFiber invested its own capital on a pay-for-performance basis, and operated for five years to accomplish that goal.
The SJRWMD verified that our technology worked as advertised, and was also environmentally safe. The FDEP independently attested to those positive results and issued its own letter to that effect.
The results showed that…
AquaLutions can remove phosphorus and much more. One of the most important benefits of AquaLutions is that the nutrients and other pollutants are removed permanently and accomplished using non-toxic methods, not sequestered or transformed on site for future release.
This picture shows a microcosm of our process. We bring lake water into the facility and run it through our trade secret system to produce clean water. The byproduct is an algal biomass that is harvested and provided at no cost to a strategic partner who produces a beneficial soil amendment for agriculture. Nothing is wasted or sequestered, and the fertilizer that we are putting on our lawns and crops today is being recycled for tomorrow.
Using a weekly average that includes all non-operational time over five years at Lake Jesup, AquaFiber proved that its AquaLutions process can remove at least 75% of the phosphorus and 45% of the nitrogen. If you look at the most optimal quarter when downtime was limited and the system run at maximum efficiency, removal rates exceeded 90% for phosphorus and 65% for nitrogen.
In addition to the exceptional nutrient removal rates, the latest iteration of the AquaLutions technology can also remove the decades of muck from the lake bottom permanently while also cleaning the water column above.
The clean water produced is close to drinking water clarity, and since our process harvests algae (including the harmful ones), the water is up to 97% less toxic and almost 100% oxygen saturated.
AquaLutions can remove phosphorus and much more. One of the most important benefits of AquaLutions is that the nutrients and other pollutants are removed permanently and accomplished using non-toxic methods, not sequestered or transformed on site for future release.
This picture shows a microcosm of our process. We bring lake water into the facility and run it through our trade secret system to produce clean water. The byproduct is an algal biomass that is harvested and provided at no cost to a strategic partner who produces a beneficial soil amendment for agriculture. Nothing is wasted or sequestered, and the fertilizer that we are putting on our lawns and crops today is being recycled for tomorrow.
Using a weekly average that includes all non-operational time over five years at Lake Jesup, AquaFiber proved that its AquaLutions process can remove at least 75% of the phosphorus and 45% of the nitrogen. If you look at the most optimal quarter when downtime was limited and the system run at maximum efficiency, removal rates exceeded 90% for phosphorus and 65% for nitrogen.
In addition to the exceptional nutrient removal rates, the latest iteration of the AquaLutions technology can also remove the decades of muck from the lake bottom permanently while also cleaning the water column above.
The clean water produced is close to drinking water clarity, and since our process harvests algae (including the harmful ones), the water is up to 97% less toxic and almost 100% oxygen saturated.
AquaLutions can remove phosphorus and much more. One of the most important benefits of AquaLutions is that the nutrients and other pollutants are removed permanently and accomplished using non-toxic methods, not sequestered or transformed on site for future release.
This picture shows a microcosm of our process. We bring lake water into the facility and run it through our trade secret system to produce clean water. The byproduct is an algal biomass that is harvested and provided at no cost to a strategic partner who produces a beneficial soil amendment for agriculture. Nothing is wasted or sequestered, and the fertilizer that we are putting on our lawns and crops today is being recycled for tomorrow.
Using a weekly average that includes all non-operational time over five years at Lake Jesup, AquaFiber proved that its AquaLutions process can remove at least 75% of the phosphorus and 45% of the nitrogen. If you look at the most optimal quarter when downtime was limited and the system run at maximum efficiency, removal rates exceeded 90% for phosphorus and 65% for nitrogen.
In addition to the exceptional nutrient removal rates, the latest iteration of the AquaLutions technology can also remove the decades of muck from the lake bottom permanently while also cleaning the water column above.
The clean water produced is close to drinking water clarity, and since our process harvests algae (including the harmful ones), the water is up to 97% less toxic and almost 100% oxygen saturated.
AquaFiber’s operational performance is unmatched.
Our AquaLutions technology can remove nutrients, algae and muck at rates nobody else can, and do it at industrial scale.
AquaFiber’s costs are the least expensive available, and our land requirement is very small (less than 10 acres).
As mentioned on the previous slide, one of AquaFiber’s most impressive features is that we permanently remove the nutrients and recycle them. We don’t use toxic chemicals. We don’t leave the nutrients on site or in the water. And we don’t send them to a landfill or otherwise sequester them for future release. Once the nutrients, algae and muck are removed, they are converted to a beneficial product and provided at no cost to our strategic partner Anuvia Plant Nutrients Corporation (located in Zellwood, FL) for use as a soil amendment worldwide.
The image shown on the right depicts how AquaFiber would expand its current facility from a 6 MGD plant to a 24 MGD plant. This plan would not only increase total capacity, but also bring Anuvia onsite so it could process the biomass and avoid having to transport it wet.
All of this could be done on less than 10 acres. Besides additional nutrient removal, the expansion would create up to 40 “clean tech” jobs and further advance Seminole County’s position as a nationwide technology cluster.
AquaLutions is the perfect solution for many of Florida’s other impaired water solutions.
The image on the left is from ORCA and shows where nutrients are building up in the IRL; in those small canals and backwaters that feed the IRL where decades of septic tank and direct stormwater runoff have caused large accumulations of nutrients and muck. AquaFiber has tested its process successfully on the waters of the Indian River Lagoon where AquaLutions could be deployed to treat the hotspots.
The picture on the right depicts a major component of the state’s Everglades restoration plan. Several STA’s will be built to remove nutrients. Those STAs will be fed with water from the FEBs. The water from these FEBs will be dirty and should be cleaned as much as possible so the STAs can function as they are designed, a final polishing before the water enters the Everglades. Without pre-treating the water, the STAs will reach their carrying capacity and require excavation more often than desired. AquaLutions has proven it could reduce the load and do much of the heavy lifting, so the STAs won’t become overloaded.
AquaFiber provides a direct public benefit to the State of Florida.
We have eleven years of measurable, rigorously examined water quality data that demonstrates our effectiveness as a world leader in water remediation technology. Our process has been proven and verified by multiple independent public and private sources including the FDEP, SFWMD and SJRWMD.
This image here shows the quality of water produced by AquaLutions. This process has significant advantages. It can work at scales that have a meaningful restorative effect on large systems such as the St. Johns River, IRL, or Everglades. At 24 MGD, it can service all of the Lake Jesup BMAP removal requirements with one facility.
It permanently removes the nutrients from the watershed. It produces fully oxygenated water close to drinking water clarity while harvesting an algal biomass that can be used for fertilizer; nothing is wasted and nutrients are recycled. AquaFiber doesn’t sequester nutrients onsite or use toxic chemicals, and after rigorous testing its technology has been deemed environmentally safe.
By continuing and expanding AquaFiber’s facility on Lake Jesup, at least 40 new STEM jobs would be created, Seminole County would add to its expanding technology sector and Florida would become a clean water model for others to follow.