DFe                   package:NADA                   R Documentation

_D_i_s_s_o_l_v_e_d _i_r_o_n _c_o_n_c_e_n_t_r_a_t_i_o_n_s _f_r_o_m _t_h_e _B_r_a_z_o_s _R_i_v_e_r, _U_S_A

_D_e_s_c_r_i_p_t_i_o_n:

     Dissolved iron concentrations over several years in the Brazos
     River, Texas.  Summer concentrations were used.

     Objective is to determine if there is a trend over time.  Iron has
     two detection limits, at 3 and 10 ug/L.  Used in Chapters 5, 11
     and 12 of the NADA book.

_U_s_a_g_e:

     data(DFe)

_S_o_u_r_c_e:

     Hughes and Millard, 1988, Water Resources Bulletin 24, pp.
     521-531.

_R_e_f_e_r_e_n_c_e_s:

     Helsel, Dennis R. (2005).  Nondectects and Data Analysis;
     Statistics for censored environmental data.  John Wiley and Sons,
     USA, NJ.

