CN-121998807-A - Quality accounting method for climate regulation service substances of coastal salt biogas ecosystem

CN121998807ACN 121998807 ACN121998807 ACN 121998807ACN-121998807-A

Abstract

The invention relates to the field of ecological environment monitoring technology and ecological value evaluation accounting, in particular to a quality accounting method for a climate adjustment service substance of a coastal salt biogas ecosystem, which comprises the following steps of S1, extracting a response relation of air temperature and humidity to positive effect of climate adjustment based on multi-year weather and ecological investigation monitoring data, constructing a response curve and dividing an enhancement zone, an attenuation zone and a reversal zone; S3, adjusting the utility according to the ecological type and the block settlement validity period, generating a contribution settlement table, converting the contribution settlement table into energy and material quality indexes, and finishing adjustment service material quality accounting. According to the invention, through critical area identification, validity period screening and multistage mapping transformation, the high-precision, space-time sensitivity and energy equivalent accounting of the quality of the climate adjustment service object of the coastal salt biogas ecosystem are realized.

Inventors

HE SHUAI
CHEN SHANG
XIA TAO
JIANG NANNAN
YOU RAN
JIN YUEMEI
CUI MEIHUA
LIU SHUHAO

Assignees

自然资源部第一海洋研究所

Dates

Publication Date: 20260508
Application Date: 20260126

Claims (10)

1. The quality accounting method for the climate-control service substances of the coastal salt biogas ecosystem is characterized by comprising the following steps: S1, based on meteorological observation data and coastal salt biogas ecosystem coverage information of a region for years, extracting historical response relation of air temperature and humidity to cooling and humidifying effects of the ecosystem, forming a climate regulation effect response curve for representing effect change trend regulation under different meteorological combinations, and outputting effect partition results comprising an effect enhancement region, an effect attenuation region and an effect inversion region; S2, screening and adjusting time sections of the utility which does not enter the utility attenuation area or the utility inversion area based on the utility partition result, and generating a utility validity period list by judging the appearance period of the utility boundary, the duration of the boundary and the mutation trigger type; S3, on the basis of the utility validity period list, according to the types of the ecological systems and the space blocks, settling the regulation utilities time by time into partition contribution values and accumulating to generate a regulation contribution settlement table, and then carrying out energy equivalent conversion on the regulation contributions of each partition based on the regulation contribution settlement table to obtain a target accounting result for reflecting the quality of the climate regulation service object of the coastal salt and biogas ecological system.
2. The method for accounting for quality of climate-regulating service substance of a coastal salt marsh ecosystem according to claim 1, wherein S1 comprises: S11, constructing a weather combination space with daily average air temperature and daily average relative humidity as bivariate dimensions based on continuous weather observation data of a target area for many years, counting historical transpiration intensity and evaporation response values of an ecological system under different weather conditions in the weather combination space, correspondingly analyzing weather conditions and actual temperature adjustment or humidification effects, extracting nonlinear response trend of the effect values along with weather combination changes, and forming a weather adjustment response map for revealing a coupling mechanism between adjustment capacity and environmental conditions; S12, on the basis of the climate regulation response map, identifying evolution critical points of the climate system for regulating the utility in different climate zones, fitting a continuous regulation utility response curve, and carrying out functional partitioning on a meteorological combination space, wherein the climate combination space is divided into a utility enhancement zone, a utility attenuation zone and a utility inversion zone.
3. The method for accounting for quality of climate-regulating service substance of a coastal salt marsh ecosystem according to claim 2, wherein S11 comprises: S111, converting daily scale meteorological observation data of a target area for continuous years into a meteorological combined space taking daily average air temperature and daily average relative humidity as two-dimensional coordinate axes, and performing two-dimensional zoning processing on the meteorological combined space by adopting a sliding window to form a discretized sample grid , wherein, Is the center value of the kth average air temperature interval, The center value of the first daily relative humidity interval; S112, traversing the discretized sample grid of each meteorological combination space Statistical mean transpiration intensity of ecosystem under the combined condition And average evaporation intensity ; S113, average transpiration intensity And average evaporation intensity Respectively mapping utility with human body temperature regulation requirement or humidification requirement, and calculating regulation utility value And constructing a climate regulation response map.
4. A method for accounting for mass of climate-regulating services of a coastal salt marsh ecosystem according to claim 3, wherein S12 comprises: S121, carrying out two-dimensional gradient analysis on a weather combined space according to a weather adjustment response map, calculating response speed of the effect along with the change of air temperature and humidity, reflecting sensitivity and abrupt change trend of the adjustment effect, and identifying evolution critical points of the adjustment effect along with the change of weather through gradient modulus peak value and gradient sign overturning; s122, after the evolution critical points of the adjusting utility are identified, connecting the evolution critical points according to the grid sequence of the meteorological combination space as nodes to fit a continuous adjusting utility response curve, and obtaining a fitted adjusting utility curved surface function value The method is used for expressing the smooth change trend of the regulating effect in the whole meteorological combined space; s123, adjusting the function value of the utility curved surface after fitting The projection return air image combination space classifies each meteorological combination according to the regulation utility sign and the slope direction to form a functional partition, which is expressed as: ; Wherein, the For the category of the functional partition, To fit the partial derivative of the utility function with respect to temperature, To fit the partial derivative of the utility function with respect to humidity.
5. The method for accounting for quality of climate-regulating service substance of a coastal salt marsh ecosystem according to claim 4, wherein S2 comprises: S21, screening all weather combination points classified as effective enhancement areas based on the functional partitioning result in the weather combination space, mapping the corresponding historical observation date into candidate adjustment service effective periods, judging whether a combination grid in which the weather combination points fall is in the enhancement areas by comparing the daily average air temperature and the relative humidity of each day in the past weather observation data, and if the condition is met, incorporating the date into a candidate adjustment service day list; S22, analyzing the change trend of the adjustment utility value in the adjacent time period through a sliding window mode based on the candidate adjustment service day list, identifying adjustment boundary behaviors comprising short-time mutation, boundary fluctuation and insufficient continuity, and executing rejection operation to remove potential pseudo adjustment contribution date for the time period without time sequence stability to form a final adjustment utility validity period list.
6. The method for accounting for quality of climate-control services of a coastal salt marsh ecosystem according to claim 5, wherein S21 comprises: S211, extracting daily records in the annual meteorological observation data of the target area, and constructing a daily scale meteorological index table, wherein each record in the table comprises the daily air temperature of the day And average relative humidity of sun ; S212, according to the set weather combination space division standard, including the temperature step length And humidity step Average daily air temperature of each day And average relative humidity of sun Mapping to the combined grid in which it is located ; S213, mapping each day to obtain a combined grid According to the category of the functional partition Judging whether the combined point belongs to the utility enhancement region, if so Then the day d is included in the list of candidate adjustment service days 。
7. The method for accounting for quality of climate-control services of a coastal salt marsh ecosystem according to claim 6, wherein S22 comprises: S221, adjusting service day list for candidate Extracting fitting adjustment utility value of each day in time sequence Forming a time series Performing a sliding window analysis on the time series to calculate utility variation between adjacent dates ; S222, identifying the adjustment boundary behavior without time sequence stability from the time sequence according to the result of the sliding window analysis, wherein the adjustment boundary behavior specifically comprises the following steps: short-time mutation, namely that the utility direction is turned over in two consecutive days, namely ; Boundary fluctuation, fitting the adjusted utility value continuously approaches the zero-value threshold point, i.e For a period of time exceeding the window day limit, wherein, Determining a threshold value for the zero value neighborhood; insufficient continuity: candidate effective day sequence continuous length The persistence minimum length requirement is not satisfied, where L is the length of the continuous time period in the candidate validity period, A minimum continuous effective day length threshold; S223, marking the date meeting any adjustment boundary action as an unstable day section, and removing the corresponding date from the candidate adjustment service day list according to the set difference operation to form a final adjustment utility validity period list 。
8. The method for accounting for quality of climate-regulating service substance of a coastal salt marsh ecosystem according to claim 7, wherein S3 comprises: S31, on the basis of the obtained effective period list of the adjusting utility, according to the type of the coastal ecological system and the space distribution grid, settling and mapping the adjusting utility value of each time point into the corresponding space block to form a time-division area adjusting utility value matrix, and carrying out time accumulation on the adjusting utility value of each space block in the whole effective period to form an adjusting contribution settling table reflecting different ecological units in different time scales, wherein the adjusting contribution settling table is used for describing the total adjusting efficiency output of each space block; s32, performing energy equivalent conversion on the regulation contribution values of different space blocks based on the constructed regulation contribution settlement table, converting the regulation contribution values into standardized energy indexes according to unit energy regulation equivalent coefficients of each ecosystem type, converting the standardized energy indexes into quality indexes by combining climate regulation contribution factors of the ecosystem, and finally outputting quantitative contribution of the coastal salt marsh ecosystem to regional climate regulation in the effective period, namely regulating service quality accounting results.
9. The method for accounting for quality of climate-control services of a coastal salt marsh ecosystem according to claim 8, wherein S31 comprises: S311, dividing the research area into space grid sets Each grid cell Are all marked with their ecosystem type And build a mapping table , wherein, In the form of a spatial coordinate system, N is the number of the space grids, Is an ecological system of the coastal wetland, Is an ecological system of mangrove forest, Is a coastal salt biogas ecosystem; S312, according to each effective time point t in the screened effective period list of the regulation utility, obtaining the corresponding meteorological state And calculating utility values from the fitted adjusted utility surface functions Mapping the value to the grid unit according to the effective time point t and the ecological block position Obtaining a time-by-time space adjustment contribution value matrix ; S313, for each space grid unit Is used for adjusting the contribution value matrix by time interval Accumulating over the whole effective time interval to form the total sedimentation value of the regulating contribution And construct a regulatory contribution sedimentation table.
10. The method for accounting for quality of climate-regulating service of a coastal salt marsh ecosystem according to claim 9, wherein S32 comprises: S321, for each space grid unit Overall value of regulated contribution sedimentation According to the corresponding ecosystem type Unit adjustment energy efficiency coefficient of (2) Converted into energy equivalent value ; S322, according to the type of the ecosystem Is a factor of the quantity of the contributing substance Equivalent value of energy Climate-regulating substance quantity converted into a coastal salt biogas ecosystem ; S323, spatially integrating the mass contribution values of all the space grid units to obtain the total climate control service mass in the whole research area 。

Description

Quality accounting method for climate regulation service substances of coastal salt biogas ecosystem Technical Field The invention relates to the technical field of ecological environment monitoring, in particular to a quality accounting method for a climate adjusting service substance of a coastal salt biogas ecosystem. Background With the increasingly severe global climate change situation, the coastal salt biogas ecosystem becomes a key ecological resource due to the obvious carbon sink potential and climate regulating function, the ecological system can obviously improve the climate toughness of coastal areas through cooling, humidification, climate extreme event buffering and other modes, the regulating capacity is driven by meteorological elements, the space-time heterogeneity and the seasonal responsiveness are realized, and under the background, how to scientifically identify and quantify the climate regulating effect of the coastal salt biogas ecosystem under different climate conditions becomes an important basis for ecological accounting and carbon asset assessment. At present, research on the coastal salt biogas ecosystem regulation service is concentrated on the assessment of total carbon sink amount and ecological value, a dynamic recognition mechanism aiming at regulation effect under short-term weather fluctuation is not available, the actual contribution of the regulation service to regional weather is difficult to reveal, in addition, most of existing methods cannot be combined with the response relation between the air temperature-humidity weather combination characteristics and the types of the ecosystem, a clear regulation effect enhancement zone and inversion zone recognition mechanism is not available, a system accounting path for converting the regulation contribution into standard energy indexes and material quality indexes is not established, and the problems of low spatial resolution, non-uniform indexes, poor weather adaptability and the like exist in regulation service accounting results. Disclosure of Invention The invention provides a quality accounting method for a climate regulation service substance of a coastal salt marsh ecosystem, which realizes overall process modeling of regulation utility space partition, time sequence stability judgment and contribution sedimentation conversion by constructing a regulation utility response model under the drive of air temperature and humidity, and further refines and outputs quality results of regulators of the ecosystem on different space blocks and time scales on the premise of ensuring that utility is positive contribution. The quality accounting method for the climate-control service substances of the coastal salt biogas ecosystem comprises the following steps: S1, based on meteorological observation data and coastal salt biogas ecosystem coverage information of a region for years, extracting historical response relation of air temperature and humidity to cooling and humidifying effects of the ecosystem, forming a climate regulation effect response curve for representing effect change trend regulation under different meteorological combinations, and outputting effect partition results comprising an effect enhancement region, an effect attenuation region and an effect inversion region; S2, screening and adjusting time sections of the utility which does not enter the utility attenuation area or the utility inversion area based on the utility partition result, and generating a utility validity period list by judging the appearance period of the utility boundary, the duration of the boundary and the mutation trigger type; S3, on the basis of the utility validity period list, according to the types of the ecological systems and the space blocks, settling the regulation utilities time by time into partition contribution values and accumulating to generate a regulation contribution settlement table, and then carrying out energy equivalent conversion on the regulation contributions of each partition based on the regulation contribution settlement table to obtain a target accounting result for reflecting the quality of the climate regulation service object of the coastal salt and biogas ecological system. Optionally, the S1 includes: S11, constructing a weather combination space with daily average air temperature and daily average relative humidity as bivariate dimensions based on continuous weather observation data of a target area for many years, counting historical transpiration intensity and evaporation response values of an ecological system under different weather conditions in the weather combination space, correspondingly analyzing weather conditions and actual temperature adjustment or humidification effects, extracting nonlinear response trend of the effect values along with weather combination changes, and forming a weather adjustment response map for revealing a coupling mechanism between adjustment capacity and environmental