Global(2) Database(1) SPEI(1) scPDSI(1)

Atmospheric Science(1) geography(1)

2000(2) 1999(2) 1998(2) 1997(2) 1996(2) 1995(2) 1994(2) 1993(2) 1992(2) 1991(2) 1990(2) 1989(2) 1988(2) 1987(2) 1986(2) 1985(2) 1984(2) 1983(2) 1982(2) 1981(2) 1980(2) 1979(2) 1978(2) 1977(2) 1976(2) 1975(2) 1974(2) 1973(2) 1972(2) 1971(2) 1970(2) 1969(2) 1968(2) 1967(2) 1966(2) 1965(2) 1964(2) 1963(2) 1962(2) 1961(2) 1960(2) 1959(2) 1958(2) 1957(2) 1956(2) 1955(2) 1954(2) 1953(2) 1952(2) 1951(2) 1950(2) 1949(2) 1948(2) 1947(2) 1946(2) 1945(2) 1944(2) 1943(2) 1942(2) 1941(2) 1940(2) 1939(2) 1938(2) 1937(2) 1936(2) 1935(2) 1934(2) 1933(2) 1932(2) 1931(2) 1930(2) 1929(2) 1928(2) 1927(2) 1926(2) 1925(2) 1924(2) 1923(2) 1922(2) 1921(2) 1920(2) 1919(2) 1918(2) 1917(2) 1916(2) 1915(2) 1914(2) 1913(2) 1912(2) 1911(2) 1910(2) 1909(2) 1908(2) 1907(2) 1906(2) 1905(2) 1904(2) 1903(2) 1902(2) 1901(2)

Global(2)

Open Access(2)

li tao(2)

Xinjiang Institute of Ecology and Geography, China Academy of Sciences(2)