In th is stu d y , th e a re a c o n tro lle d by th e H u a n g n iz h u a n g S ta tio n in th e u p p e r S h ig u a n h e R iv e r B asin w as s e le c te d as th e stu d y a re a . T R M M 3 B 4 2 V 7 p re c ip ita tio n d a ta s e t c o v e rin g th e stu d y a r e a w as e v a lu a te d via c o m p a riso n w ith th e ra in g a u g e o b s e rv a tio n s. T h e s e tw o p re c ip ita tio n d a ta s e ts w ere th e n a d o p te d to d riv e th e g r id - b a s e d X in a n jia n g M o del to p erfo rm stream flo w s im u - la tio n . T h e re su lts show th a t th e d aily stream flo w sim u la tio n fed w ith TR M M d a ily p re c ip ita tio n d a ta co u ld b a s ic a lly re p re s e n t th e d a ily stream flo w p r o c e s s e s at th e H u a n g n iz h u a n g S ta tio n , th o u g h d is a g re e m e n t e x ists b e tw e e n T R M M d a ily p re c ip ita tio n a n d ra in g a u g e p re c ip ita tio n d a ta s e t. T R M M m o n th ly p re c ip ita tio n w as c o m p a ra tiv e ly m o re a c c u ra te , w h ich c o u ld b e e m p lo y e d to s im u la te th e m o n th ly stream flo w sim u la tio n at th e H u a n g n iz h u a n g S tatio n .