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401. Arctic Ice Chart, April 5, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1971. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

402. Arctic Ice Chart, April 5, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1973. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

403. Arctic Ice Chart, April 5, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1976. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

404. Arctic Ice Chart, April 5, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1978. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

405. Arctic Ice Chart, April 5, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

406. Arctic Ice Chart, April 5, 1988

1988. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1988. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

407. Arctic Ice Chart, April 5, 1993

1993. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1993. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

408. Arctic Ice Chart, April 5, 1994

1994. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 5, 1994. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

409. Arctic Ice Chart, April 6, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1972. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

410. Arctic Ice Chart, April 6, 1981

1981. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1981. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

411. Arctic Ice Chart, April 6, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1982. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

412. Arctic Ice Chart, April 6, 1987

1987. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1987. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

413. Arctic Ice Chart, April 6, 1992

1992. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1992. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

414. Arctic Ice Chart, April 6, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

415. Arctic Ice Chart, April 6, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 6, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

416. Arctic Ice Chart, April 7, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1975. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

417. Arctic Ice Chart, April 7, 1986

1986. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1986. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

418. Arctic Ice Chart, April 7, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1997. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

419. Arctic Ice Chart, April 7, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

420. Arctic Ice Chart, April 7, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 7, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

421. Arctic Ice Chart, April 8, 1967

1967. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1967. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

422. Arctic Ice Chart, April 8, 1968

1968. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1968. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

423. Arctic Ice Chart, April 8, 1970

1970. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1970. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

424. Arctic Ice Chart, April 8, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1974. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

425. Arctic Ice Chart, April 8, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1976. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

426. Arctic Ice Chart, April 8, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1980. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

427. Arctic Ice Chart, April 8, 1984

1984. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1984. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

428. Arctic Ice Chart, April 8, 1991

1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1991. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

429. Arctic Ice Chart, April 8, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

430. Arctic Ice Chart, April 8, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 8, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

431. Arctic Ice Chart, April 9, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1973. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

432. Arctic Ice Chart, April 9, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1975. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

433. Arctic Ice Chart, April 9, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1978. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

434. Arctic Ice Chart, April 9, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1979. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

435. Arctic Ice Chart, April 9, 1981

1981. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1981. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

436. Arctic Ice Chart, April 9, 1983

1983. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1983. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

437. Arctic Ice Chart, April 9, 1996

1996. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1996. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

438. Arctic Ice Chart, April 9, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 9, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

439. Arctic Ice Chart, August 1, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

440. Arctic Ice Chart, August 1, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1979. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

441. Arctic Ice Chart, August 1, 1983

1983. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1983. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

442. Arctic Ice Chart, August 1, 1988

1988. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1988. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

443. Arctic Ice Chart, August 1, 1994

1994. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1994. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

444. Arctic Ice Chart, August 1, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 1, 1997. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).

445. Arctic Ice Chart, August 10, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1972. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

446. Arctic Ice Chart, August 10, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1976. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

447. Arctic Ice Chart, August 10, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1982. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

448. Arctic Ice Chart, August 10, 1987

1987. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1987. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

449. Arctic Ice Chart, August 10, 1992

1992. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1992. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

450. Arctic Ice Chart, August 10, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

451. Arctic Ice Chart, August 10, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 10, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

452. Arctic Ice Chart, August 11, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1975. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

453. Arctic Ice Chart, August 11, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1978. This polygon shapefile contains ice observations in the ... Arctic Climate System (ACSYS).

454. Arctic Ice Chart, August 11, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1980. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

455. Arctic Ice Chart, August 11, 1986

1986. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1986. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

456. Arctic Ice Chart, August 11, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1997. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

457. Arctic Ice Chart, August 11, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

458. Arctic Ice Chart, August 11, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 11, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

459. Arctic Ice Chart, August 12, 1967

1967. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1967. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

460. Arctic Ice Chart, August 12, 1968

1968. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1968. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

461. Arctic Ice Chart, August 12, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1972. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

462. Arctic Ice Chart, August 12, 1974

1974. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1974. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

463. Arctic Ice Chart, August 12, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1976. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

464. Arctic Ice Chart, August 12, 1981

1981. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1981. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

465. Arctic Ice Chart, August 12, 1984

1984. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1984. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

466. Arctic Ice Chart, August 12, 1985

1985. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1985. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

467. Arctic Ice Chart, August 12, 1991

1991. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1991. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

468. Arctic Ice Chart, August 12, 1996

1996. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1996. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

469. Arctic Ice Chart, August 12, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

470. Arctic Ice Chart, August 12, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 12, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

471. Arctic Ice Chart, August 13, 1970

1970. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1970. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

472. Arctic Ice Chart, August 13, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1971. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

473. Arctic Ice Chart, August 13, 1980

1980. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1980. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

474. Arctic Ice Chart, August 13, 1990

1990. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1990. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

475. Arctic Ice Chart, August 13, 1997

1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1997. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

476. Arctic Ice Chart, August 13, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

477. Arctic Ice Chart, August 13, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 13, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

478. Arctic Ice Chart, August 14, 1972

1972. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1972. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

479. Arctic Ice Chart, August 14, 1975

1975. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1975. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

480. Arctic Ice Chart, August 14, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

481. Arctic Ice Chart, August 14, 1983

1983. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1983. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

482. Arctic Ice Chart, August 14, 1989

1989. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1989. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

483. Arctic Ice Chart, August 14, 1994

1994. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1994. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

484. Arctic Ice Chart, August 14, 1995

1995. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1995. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

485. Arctic Ice Chart, August 14, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

486. Arctic Ice Chart, August 14, 2000

2000. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 14, 2000. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

487. Arctic Ice Chart, August 15, 1978

1978. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 15, 1978. This polygon shapefile contains ice observations in the ... Arctic Climate System (ACSYS).

488. Arctic Ice Chart, August 15, 1988

1988. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 15, 1988. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

489. Arctic Ice Chart, August 16, 1973

1973. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1973. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

490. Arctic Ice Chart, August 16, 1976

1976. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1976. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

491. Arctic Ice Chart, August 16, 1977

1977. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1977. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

492. Arctic Ice Chart, August 16, 1979

1979. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1979. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

493. Arctic Ice Chart, August 16, 1993

1993. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1993. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

494. Arctic Ice Chart, August 16, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 16, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

495. Arctic Ice Chart, August 17, 1971

1971. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1971. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

496. Arctic Ice Chart, August 17, 1982

1982. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1982. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

497. Arctic Ice Chart, August 17, 1987

1987. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1987. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

498. Arctic Ice Chart, August 17, 1992

1992. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1992. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

499. Arctic Ice Chart, August 17, 1998

1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1998. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

500. Arctic Ice Chart, August 17, 1999

1999. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for August 17, 1999. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).