CO₂ µmol m⁻² s⁻¹
Carbon
Whether the area is absorbing or emitting carbon, hour by hour, across the entire crop cycle.
We measure the carbon and water your land exchanges.
Most carbon figures used in Brazilian agriculture come from studies carried out in other countries. We install a measuring tower on your land and record the actual exchange of carbon, methane and water at high frequency, continuously, through the entire season.
Carbon flux · illustrative signal
- High frequency
- 10 Hz
- Continuous operation
- 24/7
- Area covered
- ~1 km²
- Variables measured
- CO₂ · CH₄ · H₂O
Eddy covariance Micrometeorology Remote sensing Soil science Agronomy Carbon inventories Precision irrigation Eddy covariance Micrometeorology Remote sensing Soil science Agronomy Carbon inventories Precision irrigation
What we measure
Four readings, one continuous record of your field.
One tower measures the exchange between your land and the atmosphere above it. All four readings come from the same tower, at the same moment.
CH₄ nmol m⁻² s⁻¹
Methane
The decisive gas in flooded rice and livestock, and the one where imported estimates deviate most.
H₂O mm day⁻¹
Water use
The real water consumption of soil and crop combined, measured in the field rather than estimated from an equation.
H · LE W m⁻²
Heat and energy
How much solar energy warms the air and how much evaporates water. It also serves to verify the consistency of the measurements.
Method
Eddy covariance: the method the science relies on.
The air above a field moves in turbulent vortices. Each vortex transports a parcel of air upward or downward, carrying its own gas concentration. The tower measures vertical wind speed and gas concentration at high frequency, and the relationship between the two is the flux itself. The method uses no chambers and does not interfere with the crop.
- 01
Measure
We install and commission the tower on your land: sonic anemometer, gas analyser, and radiation and soil sensors. It operates autonomously and transmits data continuously.
- 02
Quantify
The high-frequency readings undergo quality control and are processed into fluxes — how much carbon the area absorbed and how much it emitted, under your management.
- 03
Extend
The tower becomes the reference for models driven by satellite imagery, extending the result to the rest of the property or to the region.
Because the tower integrates the entire field around it rather than a few sampling points, the result describes the area an auditor, a buyer or an agronomist is actually asking about.
Services
From a single tower to a regional carbon balance.
We measure in the field, model the areas without instrumentation, and deliver both in a form that holds up in reports and audits.
01
Installing and running measuring towers
We install and operate the systems that continuously record the greenhouse gas absorption and emission of your area. This is the primary data on which carbon credit projects and product claims are built.
- Equipment
- Setup
- Remote data
02
Emission and absorption factors
Factors obtained on your own land, under Brazilian conditions, instead of default values from the United States or Europe. Carbon accounting then reflects your production system.
- Inventories
- Verification
- Reporting
03
Modelling and satellite data
With satellite imagery and modelling, we extend the tower result to the whole property or region, with the validation needed to support the number.
- Satellite
- Models
- Scale
04
Water and irrigation
Continuous measurement of crop water consumption to guide irrigation: less water pumped, lower energy use and yield preserved.
- Irrigation
- Water use
- Drought risk
mm day⁻¹
Measured water consumption
30 min
Interval between readings
Water
Irrigate on measured consumption, not on an estimate.
Our towers measure water use directly and in real time — the water evaporating from the soil plus the water released by the plants. It is the actual consumption of the area, recorded continuously rather than estimated from a reference equation.
Combined with soil moisture sensors and weather forecasts, irrigation becomes a decision based on measurement: less water pumped, lower energy consumption and soil moisture held within the range the crop requires.
Modelling
One tower measures a field. A model covers the region.
The tower delivers a reliable answer for the area around it. For everywhere else, we develop a model calibrated against those measurements and driven by information available anywhere: satellite imagery showing the condition of the vegetation, and weather data. The tower remains the reference; the model extends that answer across the region.
- 01
Train
The model is adjusted until it reproduces the carbon measured by the tower from weather and vegetation conditions alone.
- 02
Check
An entire site is withheld from training and then predicted without the model ever having seen it. This is how we verify that it works where no measurement exists.
- 03
Map
Applied to satellite and weather data across a region, the model estimates the carbon balance where there is no tower — the whole property, the region, or the sourcing area.
The model was developed from years of field measurement and improves continuously: every tower we install adds data and increases the accuracy of the estimates across the surrounding region.
About us
A research group that decided to take its instruments to the field.
fluxGHG exists to replace assumed figures with measured ones in Brazilian agriculture.
- Expertise
- Our team is made of highly qualified professionals from the Federal University of Santa Maria (UFSM), with long experience in greenhouse gas monitoring, weather science, agronomy and soil science.
- Vision
- We want to become a reference in greenhouse gas monitoring, helping companies decide from measurements rather than assumptions.
- Technology
- We use eddy covariance to measure absorption and emission quickly and accurately, and models to extend those measurements to areas we cannot reach with a tower.
01
02
03
Team
The people behind fluxGHG.
Alecsander Mergen
Co-founder & CEO
Ph.D. candidate in Physics with long experience installing and setting up eddy covariance systems. Alecsander understands in depth how gas measurement in the field works, and leads monitoring and model development at the company.
Josué M. Sehnem
Co-founder & CTO
Electrical Engineer specialising in data processing and analysis. Josué builds the technology behind fluxGHG — the systems and models that turn raw readings into data you can rely on.
Contact
Tell us about your land.
Whether you need a carbon balance for a certification, numbers for an inventory, or water data to irrigate better — write to us and we will get back to you shortly.
- contato@fluxghg.com
- Location
- Santa Maria, RS — Brazil