Hydrology and water resource surveying buoy

A hydrology and water resource surveying buoy comprises a buoy outer shell, an annular wing plate, a sealing rubber sleeve, a rectangular mounting plate, a supporting rod, a solar panel, an outer-layer circular partition plate, an outer-layer partition plate, an inner-layer circular partition plate, an inner-layer partition plate and a sensor, the outer side face of the sealing rubber sleeve is attached to the lower portion of the annular wing plate, and the annular wing plate is provided with an annular inner hole; the outer side of the buoy outer shell is matched with the annular inner hole and attached to the annular inner hole, an annular wing plate upper plate is arranged on the upper portion of the annular wing plate, the inner side face of the annular wing plate upper plate is attached to the buoy outer shell, the annular wing plate upper plate is connected with the buoy outer shell through a plurality of bolts, and the upper portion of the buoy outer shell is connected with an upper circular cover pla