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Publication Number
US-11561324-B1
Publication Date
2023-01-24
Expiration Date
Abstract
Systems and methods for measuring gas flux are provided. The method includes obtaining one or more of wind speed data, gas content data, temperature data and humidity data over a period of time, computing a plurality of different gas flux values for said period of time using a corresponding plurality of different flux calculation algorithms, wherein each of the plurality of different flux calculation algorithms uses one, some or all of the measured data types to calculate gas flux values for one or a plurality of sub-periods of said period of time, and for each of the one or the plurality of sub-periods, determining an optimal flux calculation algorithm of the plurality of different flux calculation algorithms based on one or more quality indicators; and outputting, for each of the plurality of sub-periods, one or more optimal flux calculation values corresponding to the optimal flux calculation algorithm for the sub-period.
Core Innovation
The invention relates to multi-method turbulent gas-flux measurement using the same datasets of wind speed data and gas content data over a period of time. Gas flux values are computed for sub-periods using a plurality of different flux calculation algorithms, wherein each algorithm uses one or both of the wind speed data and the gas content data. For each sub-period, an optimal flux calculation algorithm is determined based on one or more quality indicators, and one or more optimal flux calculation values are output or stored.
The invention further includes a system that automatically computes, determines, and outputs or stores optimal flux calculation values based on quality indicators. The system includes a wind speed measurement device configured to obtain wind speed data at a first sampling rate and a gas analyzer configured to obtain gas content data at a second sampling rate. An intelligence module receives the wind speed data and the gas content data, computes flux values for sub-periods using different flux calculation algorithms, selects an optimal algorithm per sub-period based on one or more quality indicators, and outputs or stores the corresponding optimal flux calculation values.
In additional embodiments, the invention obtains temperature data and humidity data over the period of time. The plurality of different flux calculation algorithms uses one, some or all of the wind speed data, the gas content data, the temperature data and the humidity data to calculate gas flux values for one or a plurality of sub-periods. The optimal flux calculation algorithm for each sub-period is still determined based on one or more quality indicators, and optimal flux calculation values are output or stored.
Claims Coverage
The independent claims cover a method, a system, and a non-transitory computer-readable medium for measuring gas flux by computing multiple candidate flux values for sub-periods using different flux calculation algorithms and selecting an optimal algorithm per sub-period based on one or more quality indicators. Across the independent claims, the core inventive scheme includes sub-period-level algorithm selection driven by quality indicators, implemented as either a measurement method, a computing system, or stored code execution; an additional independent claim broadens the inputs to include temperature and humidity data.
Sub-period multi-algorithm flux computation with quality-based optimal selection
Obtain wind speed data and gas content data over a period of time, compute a plurality of different gas flux values for said period of time using corresponding plurality of different flux calculation algorithms for a plurality of sub-periods, determine an optimal flux calculation algorithm for each sub-period based on one or more quality indicators, and output or store one or more optimal flux calculation values corresponding to the optimal flux calculation algorithm for the sub-period.
System for computing optimal gas flux per sub-period based on quality indicators
A system comprising a wind speed measurement device obtaining wind speed data over a period of time at a first sampling rate, a gas analyzer obtaining gas content data over said period of time at a second sampling rate, and an intelligence module configured to receive the wind speed data and the gas content data; the intelligence module automatically computes a plurality of different gas flux values using a corresponding plurality of different flux calculation algorithms for a plurality of sub-periods, determines an optimal flux calculation algorithm for each sub-period based on one or more quality indicators, and outputs or stores one or more optimal flux calculation values corresponding to the optimal flux calculation algorithm for the sub-period.
Non-transitory computer-readable medium for quality-based optimal flux per sub-period
A non-transitory, computer-readable medium storing code which, when executed by one or more processors, causes the processors to obtain wind speed data and gas content data over a period at respective sampling rates, compute a plurality of different gas flux values using a corresponding plurality of different flux calculation algorithms for a plurality of sub-periods, determine an optimal flux calculation algorithm for each sub-period based on one or more quality indicators, and output or store one or more optimal flux calculation values corresponding to the optimal flux calculation algorithm for the sub-period.
Quality-based optimal gas flux per sub-period using wind, gas, temperature, and humidity data
Obtain one or more of wind speed data, gas content data, temperature data and humidity data over a period of time, compute a plurality of different gas flux values using corresponding plurality of different flux calculation algorithms in which each algorithm uses one, some or all of the wind speed data, the gas content data, the temperature data and the humidity data to calculate gas flux values for one or a plurality of sub-periods, determine an optimal flux calculation algorithm for each of the one or the plurality of sub-periods based on one or more quality indicators, and output or store one or more optimal flux calculation values corresponding to the optimal flux calculation algorithm for the sub-period.
Across the independent claims, the inventive coverage centers on computing gas flux for sub-periods with multiple flux calculation algorithms and selecting an optimal algorithm per sub-period based on one or more quality indicators, with outputs or stored optimal flux values. The claims cover the approach as a method, a system with sampling-rate-separated sensors feeding an intelligence module, a non-transitory computer-readable medium for executing the method, and an expanded input set including temperature and humidity data.
Stated Advantages
Not explicitly described in patent.
Documented Applications
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