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Description<\/SPAN><\/P>

This record contains two-weekly minimum sea ice concentration images of the Canadian Beaufort Sea at 1.1 km resolution. The dataset originated from the Canadian Ice Service (CIS) Digital Archive weekly regional charts for the western Arctic (See \u201cadditional credit\u201d for a link to these data), created by synthesis of remotely-sensed, ship and airborne observations (Fequet, 2005). These vector ice charts were gridded at 1.1 km resolution and aggregated into two-week composites by calculating the minimum sea-ice concentration at each grid cell over each two-week interval in each year. Week numbers were defined using the ISO 8601 convention, and sea-ice concentration isrepresented in tenths (with 0/10 corresponding to an ice-free pixel, ranging to 10/10 corresponding to 100% pixel coverage with sea-ice). The result is 12 composite images per year in 1998 through 2020 (23 years), corresponding to https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

For further details, see Galley et al., 2022.<\/SPAN><\/P>

Learn more or download this dataset from the Government of Canada's Open data portal.<\/SPAN><\/A><\/P>

Résumé<\/SPAN><\/P>

Cet enregistrement contient des images bihebdomadaires de la concentration minimale de glace de mer dans la mer de Beaufort canadienne à une résolution de 1,1 km. Le jeu de données provient des cartes régionales hebdomadaires des archives numériques du Service canadien des glaces (SCG) pour l'Arctique de l'ouest (voir \"crédit additionnel\" pour un lien vers ces données), créées par synthèse d'observations par télédétection, par navire et par avion (Fequet, 2005). Ces cartes vectorielles des glaces ont été maillées à une résolution de 1,1 km et agrégées en composites de deux semaines en calculant la concentration minimale de glace de mer à chaque cellule de la grille pendant chaque intervalle de deux semaines de chaque année. Les numéros de semaine ont été définis selon la convention ISO 8601, et la concentration de la glace de mer est représentée en dixièmes (avec 0/10 correspondant à un pixel sans glace, et 10/10 correspondant à une couverture de 100 % du pixel par la glace de mer). Le résultat est de 12 images composites par an de 1998 à 2020 (23 ans), correspondant à https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

Pour plus de détails, voir Galley et al. 2022.<\/SPAN><\/P>

Apprenez-en plus ou téléchargez cet ensemble de données à partir du portail de données ouvertes du gouvernement du Canada.<\/SPAN><\/A><\/P>

<\/P><\/DIV><\/DIV><\/DIV>", "mapName": "Min_Two_weekly_Sea_Ice_Concentration_Canadian_Beaufort_Sea", "description": "

Description<\/SPAN><\/P>

This record contains two-weekly minimum sea ice concentration images of the Canadian Beaufort Sea at 1.1 km resolution. The dataset originated from the Canadian Ice Service (CIS) Digital Archive weekly regional charts for the western Arctic (See \u201cadditional credit\u201d for a link to these data), created by synthesis of remotely-sensed, ship and airborne observations (Fequet, 2005). These vector ice charts were gridded at 1.1 km resolution and aggregated into two-week composites by calculating the minimum sea-ice concentration at each grid cell over each two-week interval in each year. Week numbers were defined using the ISO 8601 convention, and sea-ice concentration isrepresented in tenths (with 0/10 corresponding to an ice-free pixel, ranging to 10/10 corresponding to 100% pixel coverage with sea-ice). The result is 12 composite images per year in 1998 through 2020 (23 years), corresponding to https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

For further details, see Galley et al., 2022.<\/SPAN><\/P>

Learn more or download this dataset from the Government of Canada's Open data portal.<\/SPAN><\/A><\/P>

Résumé<\/SPAN><\/P>

Cet enregistrement contient des images bihebdomadaires de la concentration minimale de glace de mer dans la mer de Beaufort canadienne à une résolution de 1,1 km. Le jeu de données provient des cartes régionales hebdomadaires des archives numériques du Service canadien des glaces (SCG) pour l'Arctique de l'ouest (voir \"crédit additionnel\" pour un lien vers ces données), créées par synthèse d'observations par télédétection, par navire et par avion (Fequet, 2005). Ces cartes vectorielles des glaces ont été maillées à une résolution de 1,1 km et agrégées en composites de deux semaines en calculant la concentration minimale de glace de mer à chaque cellule de la grille pendant chaque intervalle de deux semaines de chaque année. Les numéros de semaine ont été définis selon la convention ISO 8601, et la concentration de la glace de mer est représentée en dixièmes (avec 0/10 correspondant à un pixel sans glace, et 10/10 correspondant à une couverture de 100 % du pixel par la glace de mer). Le résultat est de 12 images composites par an de 1998 à 2020 (23 ans), correspondant à https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

Pour plus de détails, voir Galley et al. 2022.<\/SPAN><\/P>

Apprenez-en plus ou téléchargez cet ensemble de données à partir du portail de données ouvertes du gouvernement du Canada.<\/SPAN><\/A><\/P>

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"xyUnits": 1.1258999068426238E13, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriDecimalDegrees", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "Minimum Two-weekly Sea Ice Concentration in the Canadian Beaufort Sea (1998-2020) / Concentration minimale de la glace de mer sur deux semaines dans la mer de Beaufort canadienne (1998-2020)", "Author": "", "Comments": "

Description<\/SPAN><\/P>

This record contains two-weekly minimum sea ice concentration images of the Canadian Beaufort Sea at 1.1 km resolution. The dataset originated from the Canadian Ice Service (CIS) Digital Archive weekly regional charts for the western Arctic (See \u201cadditional credit\u201d for a link to these data), created by synthesis of remotely-sensed, ship and airborne observations (Fequet, 2005). These vector ice charts were gridded at 1.1 km resolution and aggregated into two-week composites by calculating the minimum sea-ice concentration at each grid cell over each two-week interval in each year. Week numbers were defined using the ISO 8601 convention, and sea-ice concentration isrepresented in tenths (with 0/10 corresponding to an ice-free pixel, ranging to 10/10 corresponding to 100% pixel coverage with sea-ice). The result is 12 composite images per year in 1998 through 2020 (23 years), corresponding to https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

For further details, see Galley et al., 2022.<\/SPAN><\/P>

Learn more or download this dataset from the Government of Canada's Open data portal.<\/SPAN><\/A><\/P>

Résumé<\/SPAN><\/P>

Cet enregistrement contient des images bihebdomadaires de la concentration minimale de glace de mer dans la mer de Beaufort canadienne à une résolution de 1,1 km. Le jeu de données provient des cartes régionales hebdomadaires des archives numériques du Service canadien des glaces (SCG) pour l'Arctique de l'ouest (voir \"crédit additionnel\" pour un lien vers ces données), créées par synthèse d'observations par télédétection, par navire et par avion (Fequet, 2005). Ces cartes vectorielles des glaces ont été maillées à une résolution de 1,1 km et agrégées en composites de deux semaines en calculant la concentration minimale de glace de mer à chaque cellule de la grille pendant chaque intervalle de deux semaines de chaque année. Les numéros de semaine ont été définis selon la convention ISO 8601, et la concentration de la glace de mer est représentée en dixièmes (avec 0/10 correspondant à un pixel sans glace, et 10/10 correspondant à une couverture de 100 % du pixel par la glace de mer). Le résultat est de 12 images composites par an de 1998 à 2020 (23 ans), correspondant à https://open.canada.ca/data/en/dataset/ee27e86f-7b18-4e3f-8444-0c5efb6110a4.<\/SPAN><\/P>

Pour plus de détails, voir Galley et al. 2022.<\/SPAN><\/P>

Apprenez-en plus ou téléchargez cet ensemble de données à partir du portail de données ouvertes du gouvernement du Canada.<\/SPAN><\/A><\/P>

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