AI Image: Side-view cross-section of a river/lake water column, educational flat infographic illustration, sof

Prompt

Side-view cross-section of a river/lake water column, educational flat infographic illustration, soft teal and blue color palette (#00897b accent), clean minimal scientific diagram style, no text, no labels, no numbers, no axes, no watermark, no people, no boats, consistent composition: water column centered, vertical space from surface (top 15%) to bottom (5%), same camera angle and framing for all layers, transparent background PNG, 800x450 pixels, ONLY a small environmental monitoring buoy with vertical cable and sensor probe, side view, buoy float at water surface level (top 15% of frame), thin vertical cable going down to a sensor probe at 25% depth, flat teal and white buoy design matching scientific dashboard aesthetic, minimal clean illustration, semi-transparent soft shadow, no water, no waves, no algae, no stratification, everything else transparent, position the assembly at 70% from left edge of canvas