d18O (LS98CUPE): interpretation2_basis: 'Mean lake water was enriched in 18O by evaporation and was 3.6? greater than mean rainwater.' has been replaced by ''
d18O (LS98CUPE): interpretation2_direction: 'negative' has been replaced by ''
d18O (LS98CUPE): interpretation2_equilibriumEvidence: 'Calculated 18O values for aragonite and calcite, precipitated in equilibrium with modern lake water (18Owater = + 2.6‰) at a mean annual temperature of 25 C, yield values of 0.92‰ and 0.78‰, respectively (Craig, 1965; Grossman & Ku, 1981). These theoretical values are close to mean values (0.85‰, 0.47‰, and 0.39‰) for recent samples of Cochliopina sp., Pyrgophorus sp., and C. ilosvayi, respectively. This suggests that all three taxa precipitate carbonate near equilibrium with the water in which they live.' has been replaced by ''
d18O (LS98CUPE): interpretation2_inferredMaterial: 'lake water' has been replaced by ''
d18O (LS98CUPE): interpretation2_integrationTimeUncertaintyType: 'Chonology; multiple potential controls on d18O' has been replaced by ''
d18O (LS98CUPE): interpretation2_integrationTimeUnits: 'years' has been replaced by ''
d18O (LS98CUPE): interpretation2_rank: '1' has been replaced by ''
d18O (LS98CUPE): interpretation2_scope: 'isotope' has been replaced by 'climate'
d18O (LS98CUPE): interpretation2_variable: 'effectivePrecipitation' has been replaced by ''
d18O (LS98CUPE): interpretation2_variableGroup: 'EffectiveMoisture' has been replaced by ''
d18O (LS98CUPE): interpretation2_variableGroupDirection: 'negative' has been replaced by ''
d18O (LS98CUPE): interpretation2_variableGroupOriginal: 'P_E' has been replaced by ''
d18O (LS98CUPE): interpretation3_basis: 'Interpretation of early Holocene (9000 until 7300 14C yrBP) oxygen isotopic results in terms of E/P is at odds with the strong evidence for moist conditions based on the presence of extensive lowland forest. The discrepancy between early Holocene pollen and 18Oresults in the PetenItza core can be reconciled if lakewater 18O is assumed to have been controlled by both regional climate and the changing surface area/volume ratio of the filling lake' has been replaced by ''
d18O (LS98CUPE): interpretation3_equilibriumEvidence: 'Calculated 18O values for aragonite and calcite, precipitated in equilibrium with modern lake water (18Owater = + 2.6‰) at a mean annual temperature of 25 C, yield values of 0.92‰ and 0.78‰, respectively (Craig, 1965; Grossman & Ku, 1981). These theoretical values are close to mean values (0.85‰, 0.47‰, and 0.39‰) for recent samples of Cochliopina sp., Pyrgophorus sp., and C. ilosvayi, respectively. This suggests that all three taxa precipitate carbonate near equilibrium with the water in which they live.' has been replaced by ''
d18O (LS98CUPE): interpretation3_inferredMaterial: 'lake water' has been replaced by ''
d18O (LS98CUPE): interpretation3_integrationTimeUncertaintyType: 'Chonology; multiple potential controls on d18O' has been replaced by ''
d18O (LS98CUPE): interpretation3_integrationTimeUnits: 'years' has been replaced by ''
d18O (LS98CUPE): interpretation3_rank: '2' has been replaced by ''
d18O (LS98CUPE): interpretation3_scope: 'isotope' has been replaced by 'climate'
d18O (LS98CUPE): interpretation3_variable: 'hydrologicBalance' has been replaced by ''
d18O (LS98CUPE): interpretation3_variableGroup: 'area/volume ratio' has been replaced by ''
d18O (LS98CUPE): interpretation4_rank: '3' has been replaced by '1'
d18O (LS98CUPE): interpretation4_variable: 'temperature' has been replaced by 'effectivePrecipitation'
d18O (LS98CUPE): interpretation4_variableGroup: 'Temperature' has been replaced by 'EffectiveMoisture'
d18O (LS98CUPE): interpretation4_variableGroupOriginal: 'T' has been replaced by 'P_E'
d18O (LS98CUPE): interpretation4_variableOriginal: 'Temperature' has been replaced by ''
d18O (LS98CUPE): interpretation4_basis: '' has been replaced by 'Mean lake water was enriched in 18O by evaporation and was 3.6? greater than mean rainwater.'
d18O (LS98CUPE): interpretation4_direction: '' has been replaced by 'negative'
d18O (LS98CUPE): interpretation5_basis: '' has been replaced by 'Interpretation of early Holocene (9000 until 7300 14C yrBP) oxygen isotopic results in terms of E/P is at odds with the strong evidence for moist conditions based on the presence of extensive lowland forest. The discrepancy between early Holocene pollen and 18Oresults in the PetenItza core can be reconciled if lakewater 18O is assumed to have been controlled by both regional climate and the changing surface area/volume ratio of the filling lake'
d18O (LS98CUPE): interpretation5_equilibriumEvidence: '' has been replaced by 'Calculated 18O values for aragonite and calcite, precipitated in equilibrium with modern lake water (18Owater = + 2.6‰) at a mean annual temperature of 25 C, yield values of 0.92‰ and 0.78‰, respectively (Craig, 1965; Grossman & Ku, 1981). These theoretical values are close to mean values (0.85‰, 0.47‰, and 0.39‰) for recent samples of Cochliopina sp., Pyrgophorus sp., and C. ilosvayi, respectively. This suggests that all three taxa precipitate carbonate near equilibrium with the water in which they live.'
d18O (LS98CUPE): interpretation5_inferredMaterial: '' has been replaced by 'lake water'
d18O (LS98CUPE): interpretation5_integrationTimeUncertaintyType: '' has been replaced by 'Chonology; multiple potential controls on d18O'
d18O (LS98CUPE): interpretation5_integrationTimeUnits: '' has been replaced by 'years'
d18O (LS98CUPE): interpretation5_rank: '' has been replaced by '2'
d18O (LS98CUPE): interpretation5_scope: '' has been replaced by 'isotope'
d18O (LS98CUPE): interpretation5_variable: '' has been replaced by 'hydrologicBalance'
d18O (LS98CUPE): interpretation5_variableGroup: '' has been replaced by 'area/volume ratio'
d18O (LS98CUPE): interpretation6_equilibriumEvidence: '' has been replaced by 'Calculated 18O values for aragonite and calcite, precipitated in equilibrium with modern lake water (18Owater = + 2.6‰) at a mean annual temperature of 25 C, yield values of 0.92‰ and 0.78‰, respectively (Craig, 1965; Grossman & Ku, 1981). These theoretical values are close to mean values (0.85‰, 0.47‰, and 0.39‰) for recent samples of Cochliopina sp., Pyrgophorus sp., and C. ilosvayi, respectively. This suggests that all three taxa precipitate carbonate near equilibrium with the water in which they live.'
d18O (LS98CUPE): interpretation6_inferredMaterial: '' has been replaced by 'lake water'
d18O (LS98CUPE): interpretation6_integrationTimeUncertaintyType: '' has been replaced by 'Chonology; multiple potential controls on d18O'
d18O (LS98CUPE): interpretation6_integrationTimeUnits: '' has been replaced by 'years'
d18O (LS98CUPE): interpretation6_rank: '' has been replaced by '3'
d18O (LS98CUPE): interpretation6_scope: '' has been replaced by 'isotope'
d18O (LS98CUPE): interpretation6_variable: '' has been replaced by 'temperature'
d18O (LS98CUPE): interpretation6_variableGroup: '' has been replaced by 'Temperature'
d18O (LS98CUPE): interpretation6_variableGroupDirection: '' has been replaced by 'negative'
d18O (LS98CUPE): interpretation6_variableGroupOriginal: '' has been replaced by 'T'
d18O (LS98CUPE): interpretation6_variableOriginal: '' has been replaced by 'Temperature'
year (MAT67aecea202): interpretation1_scope: '' has been replaced by 'climate'
year (MAT67aecea202): interpretation2_scope: '' has been replaced by 'climate'
year (MAT67aecea202): interpretation3_scope: '' has been replaced by 'climate'
year (MAT67aecea202): interpretation4_scope: '' has been replaced by 'climate'
depth (MAT9c7c006553): interpretation1_scope: '' has been replaced by 'climate'
depth (MAT9c7c006553): interpretation2_scope: '' has been replaced by 'climate'
depth (MAT9c7c006553): interpretation3_scope: '' has been replaced by 'climate'
depth (MAT9c7c006553): interpretation4_scope: '' has been replaced by 'climate'