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physical scienceslake sediment
paleovegetation
sedimentology
paleoenvironment
pollen
biology
vegetation
post-glacial history
paleolimnology
limnology
geology
paleoclimatology
fossils
stratigraphy
7 Dossier(s) trouvé(s) pour le chercheur principal "Ritchie, J.C." (les projets pluriannuels sont regroupés):
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A study to reconstruct post-glacial vegetation and climate.
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1988 1987
Résumé: The sampling of lake sediment for subsequent laboratory analysis of pollen and other contained material, with the final aim to reconstruct postglacial vegetation and climate....
Année(s) de permis: 1988 1987
Résumé: The sampling of lake sediment for subsequent laboratory analysis of pollen and other contained material, with the final aim to reconstruct postglacial vegetation and climate....
Licence #5023
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1985
Résumé: April - to take 5 cm diamete rcores of unconsolidated lake mud from 6 small lakes; July - to conduct a survey of the vegetation surrounding the lakes sampled in the above winter coring operation....
Année(s) de permis: 1985
Résumé: April - to take 5 cm diamete rcores of unconsolidated lake mud from 6 small lakes; July - to conduct a survey of the vegetation surrounding the lakes sampled in the above winter coring operation....
Licence #4041
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1984
Résumé: 1) To survey the area between 120 degree W and 68 degree and 70 degree N for small lakes suitable for subsequent coring of unconsolidated sediment. 2) To take small samples of surface mud from a selection of roughly 40 lakes during the course of this survey....
Année(s) de permis: 1984
Résumé: 1) To survey the area between 120 degree W and 68 degree and 70 degree N for small lakes suitable for subsequent coring of unconsolidated sediment. 2) To take small samples of surface mud from a selection of roughly 40 lakes during the course of this survey....
Licence #2730
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1982
Résumé: Sampling & coring lake sediments through the ice....
Année(s) de permis: 1982
Résumé: Sampling & coring lake sediments through the ice....
Licence #2630
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1981
Résumé: (a) To collect a series of lake sediments; (b) To collect selected plant groups and conduct vegetation analysis....
Année(s) de permis: 1981
Résumé: (a) To collect a series of lake sediments; (b) To collect selected plant groups and conduct vegetation analysis....
Licence #2418
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1979
Résumé: To examine and sample unconsolidated sediments of small unnamed lake for future laboratory analysis and dating. The ultimate objective is to reconstruct the past vegetation and climate of the area....
Année(s) de permis: 1979
Résumé: To examine and sample unconsolidated sediments of small unnamed lake for future laboratory analysis and dating. The ultimate objective is to reconstruct the past vegetation and climate of the area....
Licence #2253
chercheur principal: Ritchie, J.C.
Année(s) de permis: 1978
Résumé: To examine and sample the unconsolidated sediments of various small lakes in an area surrounding Hyndman Lake (50 km. radius) ESE of Inuvik, for the purpose of making laboratory analyses of Carbon - 14 age, pollen stratigraphy and other microfossils. The ultimate objective is to reconstruct the past vegetation and environment of the area....
Année(s) de permis: 1978
Résumé: To examine and sample the unconsolidated sediments of various small lakes in an area surrounding Hyndman Lake (50 km. radius) ESE of Inuvik, for the purpose of making laboratory analyses of Carbon - 14 age, pollen stratigraphy and other microfossils. The ultimate objective is to reconstruct the past vegetation and environment of the area....
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